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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 git_exec(self, command, **kwargs):
 """Execute git commands"""

        from .cli import verbose_echo

        command.insert(0, self.git)
        if kwargs.pop('no_verbose', False):  # used when git output isn't helpful to user
            verbose = False
        else:
            verbose = self.verbose
        verbose_echo(' '.join(command), verbose, self.fake)

        if not self.fake:
            result = self.repo.git.execute(command, **kwargs)
        else:
            if 'with_extended_output' in kwargs:
                result = (0, '', '')
            else:
                result = ''
        return result