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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 parse_parameter_string(cls, parameter_string):
 """Parse a parameter string into its constituent name, type, and pattern For example:: parse_parameter_string('<param_one:[A-z]>')` -> ('param_one', str, '[A-z]') :param parameter_string: String to parse :return: tuple containing (parameter_name, parameter_type, parameter_pattern) """

        # We could receive NAME or NAME:PATTERN
        name = parameter_string
        pattern = "string"
        if ":" in parameter_string:
            name, pattern = parameter_string.split(":", 1)
            if not name:
                raise ValueError(
                    "Invalid parameter syntax: {}".format(parameter_string)
                )

        default = (str, pattern)
        # Pull from pre-configured types
        _type, pattern = REGEX_TYPES.get(pattern, default)

        return name, _type, pattern