蜗牛·哥

摘要： names = "my \tname is {name} ,my year is {year}"print(names.count("a"))#查看又多少个“a”print(names.capitalize())#第一个字母大写print(names.center(50,"#"))#names 居中 阅读全文

摘要： names = ["a","b","c","d","e","e","a"] #列表names2 = [1,2,3,4,5]#print(names[0:3])#切片#print(names[-2:])#切片#print(names[-2:-1])#切片''' -1 为最后一个位置 '''#print 阅读全文

摘要： #二进制装换msg = "大家好"msg1 = msg.encode(encoding='utf-8')#转换成二进制print(msg1)msg2 = msg1.decode('utf-8') #把二进制转换回来print(msg2)''' python 3.6.2 '''''' 希望新学的朋友可 阅读全文

摘要： import sysprint(sys.path) #python 2 中报错 。。。。，打印的是绝对路径（***\\python\\lib\\site-packages# 第三方库，后退一级为标准库）'''import osos_sys = os.system("dir")print(" >",o 阅读全文

摘要： china_map ={ "华南":{ "广东":["广州市","佛山市","深圳市","东莞市"], "广西":["南宁市","柳州市","桂林市","北海市"], "海南":["海口市","三亚市","三沙市","儋州市"] }, "华东":{ " 阅读全文

摘要： # _*_coding:utf-8 _*_import datetimename = 'gyf'passd = 123count =0now = datetime.datetime.now()while count <3: username = input("you name is:") passw 阅读全文