title: Unable to assign global variables from functions inside of kivy class
body: <pre><code>def callback1(self, instance):
      global day = self.user1.text
      global day_type = self.user2.text
      global split = self.user3.text
      current_day = ExcelEdit.split_def_start(day, day_type)
      Workout_app.screen_manager.current = &quot;Input&quot;
  </code></pre>
  <p>#The error is (global day = self.user1.text) SyntaxError: invalid syntax.
  #I have all three variables defined outside of the class yet I am unable to update them</p>