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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 underscores_to_camelcase(argument):
    ''' Converts a camelcase param like the_new_attribute to the equivalent
    camelcase version like theNewAttribute. Note that the first letter is
    NOT capitalized by this function '''
    result = ''
    previous_was_underscore = False
    for char in argument:
        if char != '_':
            if previous_was_underscore:
                result += char.upper()
            else:
                result += char
        previous_was_underscore = char == '_'
    return result