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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 absl_to_cpp(level):
 """Converts an absl log level to a cpp log level. Args: level: int, an absl.logging level. Raises: TypeError: Raised when level is not an integer. Returns: The corresponding integer level for use in Abseil C++. """

  if not isinstance(level, int):
    raise TypeError('Expect an int level, found {}'.format(type(level)))
  if level >= 0:
    # C++ log levels must be >= 0
    return 0
  else:
    return -level