python 标准输入输出sys.stdout. sys.stdin

import sys, time

## print('please enter your name:')# user_input=sys.stdin.readline()# print(user_input)## print('请输入')# print(sys.stdin.readlines())

sys.stdout.write('yanxiatingyu\n')sys.stdout.flush()

start_time = time.time()for i in range(1, 1000):    print('檐下听雨', end='')#yanxiatingyuend_time = time.time()

astart_time = time.time()for i in range(1, 1000):    sys.stdout.write('檐下听雨')#yanxiatingyu# 换成字母试一试aend_time = time.time()

print()print('print time:', end_time - start_time)print()print('write time:', aend_time - astart_time)

# print(('hello').__str__())# print(('hello').__repr__())# from datetime import datetime as dt# print(dt.today().__str__())# print(dt.today().__repr__())