Python GUI Help

#Assign3 #To calculate fine for speeding in a FL county. def speedLimitFine(): speedLimit = eval(input("Please enter speedLimit of the zone: ")) speed = eval(input("Please enter speed of the vehicle: ")) cOrSZone = input("Please enter whether the zone is C or S, Please enter Yes, Y, N, No: ") fine = 0 display = "" diff = speed - speedLimit if diff <= 0: fine = 0 display = "Good driving U r under speedLimit" elif diff > 0 and diff < 10: fine = 129.00 display = "Be Careful" elif diff >= 10 and diff < 15: fine = 204.00 display = "Drive with Caution" elif diff >= 15 and diff < 20: fine = 254.00 display = "You are driving dangerous" elif diff >= 20 and diff < 30: fine = 279.00 display = "You are in danger zone" else: fine = 0 message2 = "Court Mandatory" courtCase = True display = "See you in court" doubleFine = False if cOrSZone == "Y" or cOrSZone == "Yes": fine*=2 else: cOrSZone = "No" print("speedLimit:", speedLimit) print("Speed of the Vehicle:", speed) print("Going over the speed:", diff) print("School or Construction Zone:", cOrSZone) print("Total calculated Fine = ", fine) print(display) speedLimitFine()