摘要：1 import os 2 f = open('yy.txt','r',encoding='utf-8') 3 f_new = open('yy.bak','w+',encoding='utf-8') 4 for line in f: 5 if '小光头' in line: 6 line = line.replace('小光头','大头仔') 7 f... 阅读全文

摘要：1 import sys,time 2 3 for i in range(50): 4 sys.stdout.write('#') 5 sys.stdout.flush() 6 time.sleep(0.1) 阅读全文

摘要：1 salary = input('您的工资是：') 2 item_list = [ 3 ('iphone',5800), 4 ('pc',12325), 5 ('watch',7000), 6 ('book',38), 7 ('pen',5), 8 ('game',1000) 9 ] 10 buy_list=[] 11 prin... 阅读全文