split.py

def split(string: str, separator: str = " ") -> list:
    """
    Will split the string up into all the values separated by the separator
    (defaults to spaces)

    >>> split("apple#banana#cherry#orange",separator='#')
    ['apple', 'banana', 'cherry', 'orange']

    >>> split("Hello there")
    ['Hello', 'there']

    >>> split("11/22/63",separator = '/')
    ['11', '22', '63']

    >>> split("12:43:39",separator = ":")
    ['12', '43', '39']
    """

    split_words = []
    last_index = 0

    for index, char in enumerate(string):
        if char == separator:
            split_words.append(
                string[last_index:index]
            )  # Add substring between separators
            last_index = index + 1
        elif index + 1 == len(
            string
        ):  # If at the last character, handle trailing separator
            split_words.append(string[last_index:])  # Add the last part of the string

    # If the string ends with a separator, ensure an empty string is added
    if string and string[-1] == separator:
        split_words.append("")

    return split_words


if __name__ == "__main__":
    from doctest import testmod

    testmod()