Advanced freeCodeCamp • learn-list-comprehension-by-building-a-case-converter-program

Step 17: Instead of returning the list `snake_cased_char_list`, you will...

Challenge Overview

Instead of returning the list `snake_cased_char_list`, you will need to join its elements into a single string using an empty string `''` as the separator.

Instead of returning the list snake_cased_char_list, you will need to join its elements into a single string using an empty string '' as the separator.

Modify the return statement to return the result of joining snake_cased_char_list with an empty string as a separator.

💡 View Solution

def convert_to_snake_case(pascal_or_camel_cased_string):
    # snake_cased_char_list = []
    # for char in pascal_or_camel_cased_string:
    #     if char.isupper():
    #         converted_character = '_' + char.lower()
    #         snake_cased_char_list.append(converted_character)
    #     else:
    #         snake_cased_char_list.append(char)
    # snake_cased_string = ''.join(snake_cased_char_list)
    # clean_snake_cased_string = snake_cased_string.strip('_')

    # return clean_snake_cased_string
    snake_cased_char_list = []
    return ''.join(snake_cased_char_list)

def main():
    print(convert_to_snake_case('aLongAndComplexString'))

main()