Python日期和时间

import time#引入time模块
print time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())

import calendar;
cal = calendar.month(2016,1);
print cal;

import sys
import time

def view_bar(num, total):
rate = num / total
rate_num = int(rate * 100)
r = '\r[%s%s]%d%%' %('=' * num, '' * (100 - num), num)
sys.stdout.write(r)
sys.stdout.flush()

if __name__ == '__main__':
for i in range(0, 101):
time.sleep(0.1)
view_bar(i, 100)