Add error-handling.py

change_global_var_from_within_function.py

@@ -0,0 +1,8 @@
+global_var = "var1"
+
+def change_global_var():
+    global global_var
+    global_var = 'var2'
+
+change_global_var()
+print(global_var)

error_handling.py

@@ -0,0 +1,10 @@
+def spam(divide_by):
+    try:
+        return 42 / divide_by
+    except ZeroDivisionError:
+        print('Error: Invalid argument.')
+
+print(spam(2))
+print(spam(1))
+print(spam(42))
+print(spam(0))