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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def to_camel_case(snake_case_string):
 """ Convert a string from snake case to camel case. For example, "some_var" would become "someVar". :param snake_case_string: Snake-cased string to convert to camel case. :returns: Camel-cased version of snake_case_string. """

    parts = snake_case_string.lstrip('_').split('_')
    return parts[0] + ''.join([i.title() for i in parts[1:]])