patch 8.2.1320: Vim9: cannot declare some single letter variables Commit: https://github.com/vim/vim/commit/33afa2447bdb0bdd15253c69a2cf6f9903685815 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 29 19:18:00 2020 +0200 patch 8.2.1320: Vim9: cannot declare some single letter variables Problem: Vim9: cannot declare some single letter variables. Solution: Do not recognize a colon for a namespace for single letter variables. (closes #6547)

#!/usr/bin/python
#
# Program that writes a number to stdout repeatedly
#
# This requires Python 2.6 or later.

from __future__ import print_function
import sys
import time

if __name__ == "__main__":

    done = 0
    while done < 10:
        done = done + 1
        print(done)
        sys.stdout.flush()
        time.sleep(0.05)  # sleep 50 msec