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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 has_option(self, section, option):
 """Checks for the existence of a given option in a given section. Args: section (str):
 name of section option (str):
 name of option Returns: bool: whether the option exists in the given section """

        if section not in self.sections():
            return False
        else:
            option = self.optionxform(option)
            return option in self[section]