added 2 functions

Author: Argenis Contreras

calculator.py

@@ -13,6 +13,17 @@ def subtract(a, b):
 def divide(a, b):
 	return a / b
 
+def square(a):
+	return a * a
+
+def cube(a):
+	return a * a * a
+
+def square_n_times (number, n):
+	for _ in range(n):
+		number = number ** 2
+	return number	
+
 
 print("I'm going use the calculator functions to multiply 5 and 6")
 x = multiply(5, 6)