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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 _CollectTypeChecks(function, parent_type_check_dict, stack_location, self_name):
 """Collect all type checks for this function."""

  type_check_dict = dict(parent_type_check_dict)
  type_check_dict.update(_ParseDocstring(function))

  # Convert any potential string based checks into python instances.
  for key, value in type_check_dict.items():
    if isinstance(value, str):
      type_check_dict[key] = _ParseTypeCheckString(value, stack_location + 1,
                                                  self_name)

  return type_check_dict