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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 call(command, collect_missing=False, silent=True):
 r"""Calls a task, as if it were called from the command line. Args: command (str):
 A route followed by params (as if it were entered in the shell). collect_missing (bool):
 Collects any missing argument for the command through the shell. Defaults to False. Returns: The return value of the called command. """

  return (_execCommand if silent else execCommand)(shlex.split(command), collect_missing)