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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 trim(self, name):
 """When the name is too long, use the LHS or a random string instead."""

    if len(name) > self.MAX_LENGTH and self.target:
      name = self.TEMP_VAR.format(self._name(self.target))
    if len(name) > self.MAX_LENGTH:
      while True:
        name = '_{:04x}'.format(random.randint(0, 16 ** 4 - 1))
        if name not in self.names:
          break
    return name