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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 open(self, create_if_not_found=True):
 """Open a kube config file. If the file does not exist, it creates a new file. """

        try:
            self.data = self._read()
        # If the file does
        except FileNotFoundError as e: 
            if create_if_not_found is True:
                self.data = {}
            else: 
                raise e

        # Enforce the following keys exists in data.
        if 'clusters' not in self.data:
            self.data['clusters'] = []
        if 'contexts' not in self.data:
            self.data['clusters'] = []
        if 'users' not in self.data:
            self.data['users'] = []
        if 'apiVersion' not in self.data:
            self.data['apiVersion'] = 'v1'
        if 'kind' not in self.data:
            self.data['kind'] = 'Config'
        if 'preferences' not in self.data:
            self.data['preferences'] = {}
        if 'current-context' not in self.data:
            self.data['current-context'] = ''

        return self