Initial Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

LLM Generation

Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

Output

Here's a Python function that de-dents a given string of code maximally: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove entirely blank lines 
    lines = [line for line in lines if line.strip()]
    
    # If no non-blank lines, return empty string
    if not lines:
        return ''
    
    # Find the minimum indentation among non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] for line in lines]
    
    # Rejoin the lines and return
    return '\n'.join(dedented_lines)
This function does the following: 1. Split the input string into lines 2. Remove entirely blank lines (lines that are only whitespace) 3. If there are no non-blank lines, return an empty string 4. Find the minimum indentation across all non-blank lines 5. Remove that amount of indentation from the start of each line 6. Rejoin the lines and return the result Here are some example uses: 
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# Example 1: Basic indentation removal
code1 = '''
    def hello():
        print("world")
        return 42
'''
print(dedent(code1))
# Output:
# def hello():
#     print("world")
#     return 42

# Example 2: Mixed indentation
code2 = '''
        def foo():
    print("bar")
            return 42
'''
print(dedent(code2))
# Output:
# def foo():
# print("bar")
#     return 42

# Example 3: Empty or only blank lines
code3 = '''

    
'''
print(repr(dedent(code3)))  # Output: ''
The function handles several edge cases: - Different initial indentation levels - Blank lines - Entirely blank input - Input with no leading whitespace - Mixed indentation (spaces/tabs can cause unexpected behavior) Note: If your code uses mixed tabs and spaces for indentation, this might not work perfectly. In real-world scenarios, Python's `textwrap.dedent()` or `inspect.cleandoc()` might be more robust.

Extract Code

I extracted the following code from that output: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove entirely blank lines 
    lines = [line for line in lines if line.strip()]
    
    # If no non-blank lines, return empty string
    if not lines:
        return ''
    
    # Find the minimum indentation among non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] for line in lines]
    
    # Rejoin the lines and return
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Basic indentation removal
    code1 = '''
        def hello():
            print("world")
            return 42
    '''
    print("Example 1:")
    print(dedent(code1))
    print()

    # Example 2: Mixed indentation
    code2 = '''
            def foo():
    print("bar")
                return 42
    '''
    print("Example 2:")
    print(dedent(code2))
    print()

    # Example 3: Empty or only blank lines
    code3 = '''

        
    '''
    print("Example 3:")
    print(repr(dedent(code3)))

if __name__ == "__main__":
    main()

Run Code Interpreter

Running the following program: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove entirely blank lines 
    lines = [line for line in lines if line.strip()]
    
    # If no non-blank lines, return empty string
    if not lines:
        return ''
    
    # Find the minimum indentation among non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] for line in lines]
    
    # Rejoin the lines and return
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Basic indentation removal
    code1 = '''
        def hello():
            print("world")
            return 42
    '''
    print("Example 1:")
    print(dedent(code1))
    print()

    # Example 2: Mixed indentation
    code2 = '''
            def foo():
    print("bar")
                return 42
    '''
    print("Example 2:")
    print(dedent(code2))
    print()

    # Example 3: Empty or only blank lines
    code3 = '''

        
    '''
    print("Example 3:")
    print(repr(dedent(code3)))

if __name__ == "__main__":
    main()





answer = dedent('''    print("hello")
    print("world")

    if True:
        print("true")
    else:
        print("false")''')
expected = """print("hello")
print("world")

if True:
    print("true")
else:
    print("false")"""
assert answer == expected, f'Wrong answer; got {answer} instead of {expected}'
print('All tests passed')
And got the output: Example 1: def hello(): print("world") return 42 Example 2: def foo(): print("bar") return 42 Example 3: '' Traceback (most recent call last): File "/usr/src/app/main.py", line 72, in <module> assert answer == expected, f'Wrong answer; got {answer} instead of {expected}' ^^^^^^^^^^^^^^^^^^ AssertionError: Wrong answer; got print("hello") print("world") if True: print("true") else: print("false") instead of print("hello") print("world") if True: print("true") else: print("false")

Substring Evaluation

Testing if the previous output contains the string All tests passed: False

Initial Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

LLM Generation

Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

Output

Here's a Python function that de-dents a string of Python code maximally: 

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def dedent(s):
    # Split the string into lines
    lines = s.splitlines()
    
    # Remove blank lines from consideration
    non_blank_lines = [line for line in lines if line.strip()]
    
    if not non_blank_lines:
        return s
    
    # Find the minimum indentation among non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in non_blank_lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] if line.strip() else line for line in lines]
    
    # Rejoin the lines
    return '\n'.join(dedented_lines)
This function does the following: 1. Split the input string into lines using `splitlines()`. 2. Create a list of non-blank lines (lines that aren't just whitespace). 3. If there are no non-blank lines, return the original string. 4. Find the minimum indentation among non-blank lines by calculating the number of leading spaces/tabs. 5. Remove this minimum indentation from each line, preserving blank lines. 6. Rejoin the lines and return the result. Here are some example uses: 
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# Example 1: Basic de-denting
code = '''
    def hello():
        print("world")
    return 42
'''
print(dedent(code))
# Output:
# def hello():
#     print("world")
# return 42

# Example 2: Preserving blank lines
code = '''
    def foo():
        x = 1
        
        y = 2
    return x + y
'''
print(dedent(code))
# Output:
# def foo():
#     x = 1
#     
#     y = 2
# return x + y

# Example 3: Differently indented lines
code = '''
    def foo():
      x = 1
        y = 2
'''
print(dedent(code))
# Output:
# def foo():
#   x = 1
#   y = 2
The function handles various scenarios: - Different levels of indentation - Blank lines - Leading/trailing whitespace - Inconsistent indentation (minimally de-dents) Key points: - Uses `lstrip()` to find indentation - Preserves the original structure of the code - Works with spaces and tabs - Handles empty or entirely blank inputs Note: This is similar to Python's built-in `textwrap.dedent()`, but implemented from scratch to show the logic.

Extract Code

I extracted the following code from that output: 

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def dedent(s):
    # Split the string into lines
    lines = s.splitlines()
    
    # Remove blank lines from consideration
    non_blank_lines = [line for line in lines if line.strip()]
    
    if not non_blank_lines:
        return s
    
    # Find the minimum indentation among non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in non_blank_lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] if line.strip() else line for line in lines]
    
    # Rejoin the lines
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Basic de-denting
    code1 = '''
    def hello():
        print("world")
    return 42
    '''
    print("Example 1:")
    print(dedent(code1))
    
    print("\n---\n")
    
    # Example 2: Preserving blank lines
    code2 = '''
    def foo():
        x = 1
        
        y = 2
    return x + y
    '''
    print("Example 2:")
    print(dedent(code2))
    
    print("\n---\n")
    
    # Example 3: Differently indented lines
    code3 = '''
    def foo():
      x = 1
        y = 2
    '''
    print("Example 3:")
    print(dedent(code3))

if __name__ == "__main__":
    main()

Run Code Interpreter

Running the following program: 

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def dedent(s):
    # Split the string into lines
    lines = s.splitlines()
    
    # Remove blank lines from consideration
    non_blank_lines = [line for line in lines if line.strip()]
    
    if not non_blank_lines:
        return s
    
    # Find the minimum indentation among non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in non_blank_lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] if line.strip() else line for line in lines]
    
    # Rejoin the lines
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Basic de-denting
    code1 = '''
    def hello():
        print("world")
    return 42
    '''
    print("Example 1:")
    print(dedent(code1))
    
    print("\n---\n")
    
    # Example 2: Preserving blank lines
    code2 = '''
    def foo():
        x = 1
        
        y = 2
    return x + y
    '''
    print("Example 2:")
    print(dedent(code2))
    
    print("\n---\n")
    
    # Example 3: Differently indented lines
    code3 = '''
    def foo():
      x = 1
        y = 2
    '''
    print("Example 3:")
    print(dedent(code3))

if __name__ == "__main__":
    main()





answer = dedent('''    print("hello")
    print("world")

    if True:
        print("true")
    else:
        print("false")''')
expected = """print("hello")
print("world")

if True:
    print("true")
else:
    print("false")"""
assert answer == expected, f'Wrong answer; got {answer} instead of {expected}'
print('All tests passed')
And got the output: 
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Example 1:
def hello():
    print("world")
return 42</p>
<hr />
<p>Example 2:
def foo():
    x = 1</p>
<pre><code>y = 2
</code></pre>
<p>return x + y</p>
<hr />
<p>Example 3:
def foo():
  x = 1
    y = 2</p>
<p>All tests passed

Substring Evaluation

Testing if the previous output contains the string All tests passed: True

Initial Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

LLM Generation

Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

Output

Here's a Python function that de-dents a string of Python code maximally: 

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def dedent(s):
    # Split the input string into lines
    lines = s.split('\n')
    
    # Remove any leading or trailing blank lines
    while lines and lines[0].strip() == '':
        lines.pop(0)
    while lines and lines[-1].strip() == '':
        lines.pop()
    
    # If no lines left, return empty string
    if not lines:
        return ''
    
    # Find the minimum indentation of non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in lines if line.strip())
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] if line.strip() else '' for line in lines]
    
    # Join the lines and return
    return '\n'.join(dedented_lines)
Here's how this function works: 1. It first splits the input string into lines. 2. It removes any leading or trailing blank lines. 3. If no lines remain, it returns an empty string. 4. It finds the minimum indentation among non-blank lines. This is done by calculating the number of leading spaces for each non-blank line and finding the minimum. 5. It removes this minimum indentation from each line. For blank lines, it just keeps them as empty strings. 6. Finally, it joins the lines back together and returns the result. Here are some example uses: 
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# Example 1: Simple indentation
code1 = '''
    def hello():
        print("world")
        return True
'''
print(dedent(code1))
# Output:
# def hello():
#     print("world")
#     return True

# Example 2: Mixed indentation
code2 = '''
        def func():
    print("hello")
            return 42
'''
print(dedent(code2))
# Output:
# def func():
#     print("hello")
#     return 42

# Example 3: With blank lines
code3 = '''

    def test():
        
        x = 10
        return x
    
'''
print(dedent(code3))
# Output:
# def test():
#     
#     x = 10
#     return x

# Example 4: Entirely blank string
code4 = '''
    
'''
print(repr(dedent(code4)))  # Output: ''
The function handles various scenarios: - Different initial indentation levels - Blank lines - Completely blank input - Indentation that isn't consistent across lines It maximally de-dents the code by removing the minimum common indentation, while preserving the relative indentation of the code.

Extract Code

I extracted the following code from that output: 

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def dedent(s):
    # Split the input string into lines
    lines = s.split('\n')
    
    # Remove any leading or trailing blank lines
    while lines and lines[0].strip() == '':
        lines.pop(0)
    while lines and lines[-1].strip() == '':
        lines.pop()
    
    # If no lines left, return empty string
    if not lines:
        return ''
    
    # Find the minimum indentation of non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in lines if line.strip())
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] if line.strip() else '' for line in lines]
    
    # Join the lines and return
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Simple indentation
    code1 = '''
    def hello():
        print("world")
        return True
    '''
    print("Example 1:")
    print(dedent(code1))
    print()

    # Example 2: Mixed indentation
    code2 = '''
        def func():
    print("hello")
            return 42
    '''
    print("Example 2:")
    print(dedent(code2))
    print()

    # Example 3: With blank lines
    code3 = '''

    def test():
        
        x = 10
        return x
    
    '''
    print("Example 3:")
    print(dedent(code3))
    print()

    # Example 4: Entirely blank string
    code4 = '''
    
    '''
    print("Example 4:")
    print(repr(dedent(code4)))

if __name__ == "__main__":
    main()

Run Code Interpreter

Running the following program: 

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def dedent(s):
    # Split the input string into lines
    lines = s.split('\n')
    
    # Remove any leading or trailing blank lines
    while lines and lines[0].strip() == '':
        lines.pop(0)
    while lines and lines[-1].strip() == '':
        lines.pop()
    
    # If no lines left, return empty string
    if not lines:
        return ''
    
    # Find the minimum indentation of non-blank lines
    min_indent = min(len(line) - len(line.lstrip()) for line in lines if line.strip())
    
    # Remove the minimum indentation from each line
    dedented_lines = [line[min_indent:] if line.strip() else '' for line in lines]
    
    # Join the lines and return
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Simple indentation
    code1 = '''
    def hello():
        print("world")
        return True
    '''
    print("Example 1:")
    print(dedent(code1))
    print()

    # Example 2: Mixed indentation
    code2 = '''
        def func():
    print("hello")
            return 42
    '''
    print("Example 2:")
    print(dedent(code2))
    print()

    # Example 3: With blank lines
    code3 = '''

    def test():
        
        x = 10
        return x
    
    '''
    print("Example 3:")
    print(dedent(code3))
    print()

    # Example 4: Entirely blank string
    code4 = '''
    
    '''
    print("Example 4:")
    print(repr(dedent(code4)))

if __name__ == "__main__":
    main()





answer = dedent('''    print("hello")
    print("world")

    if True:
        print("true")
    else:
        print("false")''')
expected = """print("hello")
print("world")

if True:
    print("true")
else:
    print("false")"""
assert answer == expected, f'Wrong answer; got {answer} instead of {expected}'
print('All tests passed')
And got the output: Example 1: def hello(): print("world") return True Example 2: def func(): print("hello") return 42 Example 3: def test(): x = 10 return x Example 4: '' All tests passed

Substring Evaluation

Testing if the previous output contains the string All tests passed: True

Initial Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

LLM Generation

Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

Output

Here's a Python function that maximally de-dents a given string of Python code: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove any leading or trailing empty lines
    while lines and not lines[0].strip():
        lines.pop(0)
    while lines and not lines[-1].strip():
        lines.pop()
    
    # If no non-empty lines, return empty string
    if not lines:
        return ''
    
    # Find minimum indentation of non-empty lines
    min_indent = min(
        len(line) - len(line.lstrip()) 
        for line in lines 
        if line.strip()  # only consider non-empty lines
    )
    
    # Remove the minimum indentation from each line
    dedented_lines = [
        line[min_indent:] if line.strip() else line 
        for line in lines
    ]
    
    # Join the lines back together
    return '\n'.join(dedented_lines)
Here's how the function works: 1. Split the input string into lines 2. Remove leading and trailing empty lines 3. If there are no non-empty lines, return an empty string 4. Find the minimum indentation of non-empty lines 5. Remove that minimum indentation from each line 6. Join the lines back together Here are some example uses: 
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# Example 1: Simple indentation
code = '''
    def hello():
        print("world")
    print("done")
'''
print(dedent(code))
# Output:
# def hello():
#     print("world")
# print("done")

# Example 2: Varying indentation
code = '''
        def foo():
            x = 10
               y = 20
        return x + y
'''
print(dedent(code))
# Output:
# def foo():
#     x = 10
#        y = 20
# return x + y

# Example 3: Empty lines preserved
code = '''
    
    def func():
        pass
    
    
    x = 10
'''
print(dedent(code))
# Output:
# 
# def func():
#     pass
# 
# x = 10
The function handles several cases: - Removes leading and trailing empty lines - Finds the minimum indentation across non-empty lines - Removes that minimum indentation - Preserves relative indentation - Keeps blank lines intact It works by: - Calculating the minimum indentation of non-empty lines - Removing exactly that many spaces from the start of each line - Preserving the overall structure of the code This can be useful for cleaning up indented code, especially when copying code from different sources or working with multi-line strings.

Extract Code

I extracted the following code from that output: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove any leading or trailing empty lines
    while lines and not lines[0].strip():
        lines.pop(0)
    while lines and not lines[-1].strip():
        lines.pop()
    
    # If no non-empty lines, return empty string
    if not lines:
        return ''
    
    # Find minimum indentation of non-empty lines
    min_indent = min(
        len(line) - len(line.lstrip()) 
        for line in lines 
        if line.strip()  # only consider non-empty lines
    )
    
    # Remove the minimum indentation from each line
    dedented_lines = [
        line[min_indent:] if line.strip() else line 
        for line in lines
    ]
    
    # Join the lines back together
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Simple indentation
    code1 = '''
    def hello():
        print("world")
    print("done")
    '''
    print("Example 1:")
    print(dedent(code1))
    
    print("\n---\n")
    
    # Example 2: Varying indentation
    code2 = '''
        def foo():
            x = 10
               y = 20
        return x + y
    '''
    print("Example 2:")
    print(dedent(code2))
    
    print("\n---\n")
    
    # Example 3: Empty lines preserved
    code3 = '''
    
    def func():
        pass
    
    
    x = 10
    '''
    print("Example 3:")
    print(dedent(code3))

if __name__ == "__main__":
    main()

Run Code Interpreter

Running the following program: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove any leading or trailing empty lines
    while lines and not lines[0].strip():
        lines.pop(0)
    while lines and not lines[-1].strip():
        lines.pop()
    
    # If no non-empty lines, return empty string
    if not lines:
        return ''
    
    # Find minimum indentation of non-empty lines
    min_indent = min(
        len(line) - len(line.lstrip()) 
        for line in lines 
        if line.strip()  # only consider non-empty lines
    )
    
    # Remove the minimum indentation from each line
    dedented_lines = [
        line[min_indent:] if line.strip() else line 
        for line in lines
    ]
    
    # Join the lines back together
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Simple indentation
    code1 = '''
    def hello():
        print("world")
    print("done")
    '''
    print("Example 1:")
    print(dedent(code1))
    
    print("\n---\n")
    
    # Example 2: Varying indentation
    code2 = '''
        def foo():
            x = 10
               y = 20
        return x + y
    '''
    print("Example 2:")
    print(dedent(code2))
    
    print("\n---\n")
    
    # Example 3: Empty lines preserved
    code3 = '''
    
    def func():
        pass
    
    
    x = 10
    '''
    print("Example 3:")
    print(dedent(code3))

if __name__ == "__main__":
    main()





answer = dedent('''    print("hello")
    print("world")

    if True:
        print("true")
    else:
        print("false")''')
expected = """print("hello")
print("world")

if True:
    print("true")
else:
    print("false")"""
assert answer == expected, f'Wrong answer; got {answer} instead of {expected}'
print('All tests passed')
And got the output: 
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Example 1:
def hello():
    print("world")
print("done")</p>
<hr />
<p>Example 2:
def foo():
    x = 10
       y = 20
return x + y</p>
<hr />
<p>Example 3:
def func():
    pass</p>
<p>x = 10
All tests passed

Substring Evaluation

Testing if the previous output contains the string All tests passed: True

Initial Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

LLM Generation

Query

Write a python function `dedent(str)` that takes as input a string of python code and de-dents it maximally. Lines that are entirely blank don't count.

Output

Here's a Python function that de-dents a string of code maximally: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove empty lines from consideration for indentation
    non_empty_lines = [line for line in lines if line.strip()]
    
    # If no non-empty lines, return the original string
    if not non_empty_lines:
        return code_str
    
    # Find the minimum indentation of non-empty lines
    min_indent = min(len(line) - len(line.lstrip()) for line in non_empty_lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [
        line[min_indent:] if line.strip() else line 
        for line in lines
    ]
    
    # Join the lines back together
    return '\n'.join(dedented_lines)
Here's how the function works: 1. Split the input string into lines 2. Find non-empty lines (ignoring blank or whitespace-only lines) 3. If there are no non-empty lines, return the original string 4. Calculate the minimum indentation across non-empty lines 5. Remove this minimum indentation from each line 6. Preserve blank lines exactly as they were 7. Join the lines back together Here are some example use cases: 
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# Example 1: Basic indentation removal
code = """
    def hello():
        print("world")
        print("test")
"""
print(dedent(code))
# Output:
# def hello():
#     print("world")
#     print("test")

# Example 2: Mixed indentation 
code = """
        def func():
    print("a")
        print("b")
"""
print(dedent(code))
# Output:
# def func():
#   print("a")
#   print("b")

# Example 3: Blank lines preserved
code = """
    def func():

        print("hello")
"""
print(dedent(code))
# Output:
# def func():

#     print("hello")
Key points: - Works with varying initial indentation - Preserves relative indentation - Keeps blank lines intact - Handles cases with no indentation - Removes minimal indentation consistently The function handles various indentation scenarios robustly, always removing the maximum possible common indentation while maintaining the code's structure.

Extract Code

I extracted the following code from that output: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove empty lines from consideration for indentation
    non_empty_lines = [line for line in lines if line.strip()]
    
    # If no non-empty lines, return the original string
    if not non_empty_lines:
        return code_str
    
    # Find the minimum indentation of non-empty lines
    min_indent = min(len(line) - len(line.lstrip()) for line in non_empty_lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [
        line[min_indent:] if line.strip() else line 
        for line in lines
    ]
    
    # Join the lines back together
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Basic indentation removal
    code1 = """
    def hello():
        print("world")
        print("test")
    """
    print("Example 1:")
    print(dedent(code1))
    
    print("\n# Example 2: Mixed indentation")
    code2 = """
        def func():
    print("a")
        print("b")
    """
    print(dedent(code2))
    
    print("\n# Example 3: Blank lines preserved")
    code3 = """
    def func():

        print("hello")
    """
    print(dedent(code3))

if __name__ == "__main__":
    main()

Run Code Interpreter

Running the following program: 

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def dedent(code_str):
    # Split the string into lines
    lines = code_str.split('\n')
    
    # Remove empty lines from consideration for indentation
    non_empty_lines = [line for line in lines if line.strip()]
    
    # If no non-empty lines, return the original string
    if not non_empty_lines:
        return code_str
    
    # Find the minimum indentation of non-empty lines
    min_indent = min(len(line) - len(line.lstrip()) for line in non_empty_lines)
    
    # Remove the minimum indentation from each line
    dedented_lines = [
        line[min_indent:] if line.strip() else line 
        for line in lines
    ]
    
    # Join the lines back together
    return '\n'.join(dedented_lines)

def main():
    # Example 1: Basic indentation removal
    code1 = """
    def hello():
        print("world")
        print("test")
    """
    print("Example 1:")
    print(dedent(code1))
    
    print("\n# Example 2: Mixed indentation")
    code2 = """
        def func():
    print("a")
        print("b")
    """
    print(dedent(code2))
    
    print("\n# Example 3: Blank lines preserved")
    code3 = """
    def func():

        print("hello")
    """
    print(dedent(code3))

if __name__ == "__main__":
    main()





answer = dedent('''    print("hello")
    print("world")

    if True:
        print("true")
    else:
        print("false")''')
expected = """print("hello")
print("world")

if True:
    print("true")
else:
    print("false")"""
assert answer == expected, f'Wrong answer; got {answer} instead of {expected}'
print('All tests passed')
And got the output: 
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Example 1:
def hello():
    print("world")
    print("test")</p>
<h1>Example 2: Mixed indentation</h1>
<pre><code>def func():
</code></pre>
<p>print("a")
    print("b")</p>
<h1>Example 3: Blank lines preserved</h1>
<p>def func():
    print("hello")</p>
<p>All tests passed

Substring Evaluation

Testing if the previous output contains the string All tests passed: True