# Perimeter of Square def calculatePerimeter(l): return 4 * l # Area of Square def calculateArea(l): return l * l expression = input("Type a function: ") for l in range(1, 5): if expression == "calculatePerimeter(l)": print("If length is ", l, ", Perimeter = ", eval(expression)) elif expression == "calculateArea(l)": print("If length is ", l, ", Area = ", eval(expression)) else: print("Wrong Function") break # uso: Type a function: calculateArea(l)