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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 register_frame_to_skip(cls, file_name, function_name, line_number=None):
 """Registers a function name to skip when walking the stack. The ABSLLogger sometimes skips method calls on the stack to make the log messages meaningful in their appropriate context. This method registers a function from a particular file as one which should be skipped. Args: file_name: str, the name of the file that contains the function. function_name: str, the name of the function to skip. line_number: int, if provided, only the function with this starting line number will be skipped. Otherwise, all functions with the same name in the file will be skipped. """

    if line_number is not None:
      cls._frames_to_skip.add((file_name, function_name, line_number))
    else:
      cls._frames_to_skip.add((file_name, function_name))