t2.py

来自「Python.Tkinter编程实例代码多多学习」· Python 代码 · 共 10 行

import time
start = time.time()

part1 = part2 = part3 = '1234567890'

for i in range(999999):
    longString = '%s %s %s' % (part1, part2, part3)

print time.time() - start