Answers for "python start stop"

python stop script

#Exit everywhere with error message
import sys
sys.exit("Code not Pythonical")

#Exit with a specific status
import os
os._exit()

#Exit in interpreter
quit()

#Exit in Interpreter but more user friendly
exit()

stop program python

# Do stuff
stop = input("Would you like to stop the program? ")
if stop == "y":
  exit()
else:
  # do stuff