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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 start(self, version=None, **kwargs):
#game_version=None, data_version=None, **kwargs):
 """Launch the game process."""

    if not version:
        version = self.mostRecentVersion
    pysc2Version = lib.Version( # convert to pysc2 Version
        version.version,
        version.baseVersion,
        version.dataHash,
        version.fixedHash)
    return sc_process.StarcraftProcess(
                self,
                exec_path=self.exec_path(version.baseVersion),
                version=pysc2Version,
                **kwargs)