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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_numeric_float(number, nums_int):
 """ Transforms a string into a float. The nums_int parameter indicates the number of characters, starting from the left, to be used for the integer value. All the remaining ones will be used for the decimal value. :param number: string with the number :param nums_int: characters, counting from the left, for the integer value :return: a float created from the string """

    index_end = len(number) - nums_int
    return float(number[:nums_int] + '.' + number[-index_end:])