def learn_from_failure(failed_code, error_message):
    """
    Analyzes failed code and error message to provide a modified approach.

    Args:
        failed_code (str): The code that resulted in an error.
        error_message (str): The message describing the error.

    Returns:
        str: A modified version of the input code with potential fixes.
    """

    # Tokenize the code into individual lines
    lines = failed_code.split('\n')

    # Identify the line where the error occurred
    error_line = None
    for i, line in enumerate(lines):
        if error_message.lower() in line.lower():
            error_line = i

    # Attempt to fix common errors (e.g., syntax, indentation)
    if error_line is not None:
        lines[error_line] = 'try:\n' + lines[error_line]

    # Return the modified code
    return '\n'.join(lines)

# Example usage:
failed_code = """
def foo():
    x = 5 / 0
"""
error_message = "ZeroDivisionError: division by zero"
modified_code = learn_from_failure(failed_code, error_message)
print(modified_code)