Python-100-Days/Day01-15/code/Day13/singlethread1.py

30 lines
595 B
Python

"""
不使用多线程的情况 - 模拟多个下载任务
Version: 0.1
Author: 骆昊
Date: 2018-03-20
"""
from random import randint
from time import time, sleep
def download_task(filename):
print('开始下载%s...' % filename)
time_to_download = randint(5, 10)
sleep(time_to_download)
print('下载完成! 耗费了%d' % time_to_download)
def main():
start = time()
download_task('Python从入门到住院.pdf')
download_task('Peking Hot.avi')
end = time()
print('总共耗费了%.2f秒.' % (end - start))
if __name__ == '__main__':
main()