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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 body(self, environ, file_like):
 """Pass environ and self.variables in to template. self.variables overrides environ so that suprises in environ don't cause unexpected output if you are passing a value in explicitly. """

        variables = environ.copy()
        variables.update(self.variables)
        template = string.Template(file_like.read())
        if self.safe is True:
            return [template.safe_substitute(variables)]
        else:
            return [template.substitute(variables)]