Я пытаюсь сделать так, чтобы пользователь получил сообщение об ошибке, если они ввели алфавитные буквы или нецелые числа, и когда будет введено целое число, программа продолжит показывать это целое число в квадрате и кубике. Мой учитель не хочет никаких "перерывов" в коде или каких-либо ValueErrors.
print("Squaring and cubing integer program has started") #Introduction of program for user
UserNumber=input("Enter an integer to be raised to the power of 2 and 3: ") #Asks user to input an integer, that will then be raised to the power of 2 and 3
while '.' in UserNumber or UserNumber.isalpha(): #Error-trap to test if input contained letters of the alphabet or contains decimal point
print("You have not entered an integer. Try again and enter an integer!") #Alert for user to inform that their entry was invalid (not an integer)
UserNumber=input("Enter an integer to be raised to the power of 2 and 3: ") #Asks user again to enter an integer, if they did not previously.
print(int(UserNumber), " is the integer you entered.") #Displays to user their inital integer
print(int(UserNumber), " squared is ", int(UserNumber)**2) #Displays to user their input integer squared
print(int(UserNumber), " cubed is ", int(UserNumber) **3 ) #Displays to user their input integer cubed
print("Calculations are now finished.") #Output to show program has ended