Completely new set of materials for GUI class! Thanks Tony!!

ProgrammingClassExamples/9a PSG Windows(location hide).py

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+#PySimple examples (v 3.8)
+#Tony Crewe
+#Sep 2018
+
+import PySimpleGUI as sg
+
+sg.ChangeLookAndFeel('SandyBeach')    
+sg.SetOptions (font = ('Calibri', 12, 'bold'))
+
+
+
+layout0 = [[sg.ReadButton('Show/Hide window1'),sg.ReadButton('Show/Hide window2')]]
+    
+layout1 =[[ sg.Text('window1')], [sg.Multiline( size = (35, 10))]]
+layout2 =[[ sg.Text('window2')], [sg.Multiline( size = (35, 10))]]
+window0 = sg.Window('Home Window', location = (400, 150)).Layout(layout0)
+
+window1 = sg.Window('Window1', location = (400, 250)).Layout(layout1).Finalize()
+window1.Hide()
+w1 = False
+
+window2 = sg.Window('Window2', location = (800, 250)).Layout(layout2).Finalize()
+window2.Hide()
+w2 = False
+           
+while True:
+    button, v = window0.Read()
+    if button is not None:
+        if button =='Show/Hide window1':
+            if w1 == True:
+                window1.Hide()
+                w1 = False
+            else:
+                window1.UnHide()
+                w1=True
+        if button =='Show/Hide window2':
+            if w2 == True:
+                window2.Hide()
+                w2 = False
+            else:
+                window2.UnHide()
+                w2=True
+    else:
+        break
+
+
+