how to fix sys.exit() issue python code example

Example 1: python system exit

import sys

sys.exit(0)

Example 2: how to fix valueerror in python

#Instead of
a = int(input("What is x?"))
#Put
try:
  	a = int(input("What is x?"))
except ValueError:
  print ("Insert ValueError message here")
#This way your program won't crash