Added week 5

week5/ex5.py

@@ -0,0 +1,15 @@
+def main():
+    d1 = {0: 10, 1: 20}
+    print('==Exercise 5==')
+
+    print(f"Before: {d1}")
+
+    d1[2] = 30
+    
+    print(f"After: {d1}")
+
+    print('==End Of Ex5==')
+    return 0
+
+if __name__ == '__main__':
+    main()