String Line Formatter

This function formats a string by line count. If a single line exceeds the specified maximum length, it is split into multiple lines.

Technology Stack : String manipulation

Code Type : String formatting function

Code Difficulty : Intermediate

                
                    
def format_string(input_string, max_length=50):
    if not isinstance(input_string, str):
        raise ValueError("input_string must be a string")

    if max_length <= 0:
        raise ValueError("max_length must be a positive integer")

    lines = input_string.splitlines()
    formatted_lines = []
    for line in lines:
        if len(line) <= max_length:
            formatted_lines.append(line)
        else:
            for i in range(0, len(line), max_length):
                formatted_lines.append(line[i:i+max_length])

    return "\n".join(formatted_lines)