Create tutorial_29.py

simply-coded · web-flow · commit df51d05ad6f6 · 2017-06-11T18:50:09.000-05:00
diff --git a/code/tutorial_29.py b/code/tutorial_29.py
@@ -0,0 +1,20 @@
+first = 'Alice'
+last = 'Pringtin'
+visited = 0
+
+def greet():  
+    global last, visited
+    first = 'Mark'
+    last = 'Pringston'
+    visited += 1  
+    print('=============================')
+    print(f'Welcome, {first} {last}')
+    print('Glad to have you.')
+    print('Times visited =', visited)
+    print('-----------------------------')
+
+greet()
+greet()
+
+print('Global variables "last", and "visited" are now:', last, visited)
+print('Global variable "first" has not changed:', first)
