# 7.列表li = ['alex', 'egon', 'yuan', 'wusir', '666'](编程)(3分钟) li = ['alex', 'egon', 'yuan', 'wusir', '666'] # - 1.把666替换成999 li[-1] = 999 # - 2.获取"yuan"索引 print(li.index("yuan")) # - 3.假设不知道前面有几个元素,分片得到最后的三个元素( [-3:] ) print(li[-3:]) # # 8. 将字符串s = “www.luffycity.com”给拆分成列表:li = ['www', 'luffycity', 'com'] (编程)(2分钟) s = "www.luffycity.com" li = [] li = s.split(".") print(li) # # 9.对字典进行增删改查(编程)(5分钟) d = { "Development": "开发小哥", "OP": "运维小哥", "Operate": "运营小仙女", "UI": "UI小仙女" } # 1.增 d["k1"] = "v1" # # 2.删 d.pop("k1") # 3.改 d["Development"] = "panda" # 4.查 d1 = d.get("OP") # 10.计算1 + 2 + 3... + 98 + 99 + 100 (编程题)(10分钟) sum = 0 for i in range(0, 100): i += 1 sum += i print(sum) # 11.制作趣味模板程序(编程题)(5分钟) # 需求:等待用户输入名字、地点、爱好,根据用户的名字和爱好进行任意现实 # 如:敬爱可爱的xxx,最喜欢在xxx地方干xxx name = input("请输入姓名") addr = input("请输入地址") hobby = input("请输入爱好") print("敬爱的%s最喜欢在%s干%s" % (name, addr, hobby)) # 12.写一个三次认证(编程)(10分钟)实现用户输入用户名和密码, 当用户名为seven或alex且密码为123时, 显示登陆成功, 否则登陆失败, 失败时允 username1 = "seven" username2 = "alex" pwd = "123" count = 0 while count<3: username = input("请输入用户名>>") password = input("请输入密码>>") if username == username1 or username == username2 and password == pwd: print("登陆成功") break else : print("登录失败") count += 1
以下是第一模块的思维导图