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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 setLastArgs(self, args):
        'Set user input on last command, if not already set.'
        # only set if not already set (second input usually confirmation)
        if self.currentActiveRow is not None:
            if not self.currentActiveRow.input:
                self.currentActiveRow.input = args