Add Challenge 5 solution

GASP/Sheet2/mathquiz.py

@@ -0,0 +1,12 @@
+from random import randint
+
+num1 = randint(1, 10)
+num2 = randint(1, 10)
+
+question = f"What is {num1} times {num2}? "
+answer = int(input(question))
+
+if answer == num1 * num2:
+    print("Yes, great work!")
+else:
+    print(f"No, I'm afraid the correct answer it {num1 * num2}.")