Category: Python3
Added: 11th of December 2020
Viewed: 1,568 times
Learning Python 3, check user input is an integer
When the user enters a number or character this is assigned to the variable number.
If the user enters a number, the number is displayed via the print statement. The break statement is used to terminate the current loop
If the user enters a character, a message is then displayed informing the user to an a number. The continue statement is used to return to the beginning of the while loop, and the user has to re-enter a number via the input command.
#!/usr/bin/env python3
while True:
try:
number = int(input('Enter a number '))
print(number)
break
except ValueError:
print("You entered a character. Please only enter numbers")
continue
while True:
try:
number = int(input('Enter a number '))
print(number)
break
except ValueError:
print("You entered a character. Please only enter numbers")
continue