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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 _GetStringValue(self, data_dict, name, default_value=None):
 """Retrieves a specific string value from the data dict. Args: data_dict (dict[str, list[str]):
 values per name. name (str):
 name of the value to retrieve. default_value (Optional[object]):
 value to return if the name has no value set in data_dict. Returns: str: value represented as a string. """

    values = data_dict.get(name, None)
    if not values:
      return default_value

    for index, value in enumerate(values):
      if ',' in value:
        values[index] = '"{0:s}"'.format(value)

    return ', '.join(values)