auto save

a.py

+username = "python"
+userpassword = "123"
+i = 3
+while True:
+    user_name = input("请输入账号")
+    user_password = input("请输入密码")
+    i -= 1
+    if i > 0:
+        if user_name == username and user_password == userpassword:
+            print("登陆成功")
+            break
+        if user_name != username:
+            print("账号输入错误")
+            print("您还有"+str(i)+"次机会")
+            continue
+        if user_password != userpassword:
+            print("密码输入错误")
+            print("您还有"+str(i)+"次机会")
+    else:
+        print("您的账户已被锁定~")
+        exit()
+print("欢迎来到贝尔编程")
\ No newline at end of file

diy1.py

@@ -9,4 +9,8 @@ user_password = input("请输入密码：")
 if username == user_name and userpassword == user_password:
 if username == user_name and userpassword == user_password:
     print("登陆成功")
     print("登陆成功")
 else:
 else:
-    print("密码或者账号错误，请重新登陆")
+    print("密码或者账号错误，请重新登陆")
\ No newline at end of file
+
+
+    
+    
\ No newline at end of file

diy2.py

+# i = 0
+# while i < 5:
+#     print("悟空")
+#     i += 1
+#     if i == 4:
+#         break
+
+username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
+userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
+
+# 请用input()实现用户输入账号、密码的功能
+
+while True:
+    user_name = input("请输入账号：")
+    if username != user_name:
+        print("账号输入不正确，请重新输入")
+    user_password = input("请输入密码：")
+    if userpassword != user_password:
+        print("密码输入不正确，请重新输入")
+    # 如果用户输入的账号、密码正确，提示登陆成功
+    if username == user_name and userpassword == user_password:
+        print("登陆成功")
+        break
+    
+
+    # else:
+    #     print("密码或者账号错误，请重新登陆")
+    # print("密码或者账号错误，请重新登陆")
+print("欢迎来到贝尔编程")
+
+
+    
+    

diy3.py

+# i = 0
+# while i < 5:
+#     i += 1
+#     if i == 4:
+#         continue
+#     print(i)
+i = 3
+username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
+userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
+while True:
+    if i > 0:
+        user_name = input("请输入账号：")
+        user_password = input("请输入密码：")
+        i -= 1
+        if username == user_name and userpassword == user_password:
+            print("登陆成功")
+            break
+        if username != user_name:
+            print("账号输入不正确，请重新输入")
+            print("温馨提示，你还有"+ str(i) + "次机会")
+            continue
+        if userpassword != user_password:
+            print("密码输入不正确，请重新输入")
+            print("温馨提示，你还有"+ str(i) + "次机会")
+        # 如果用户输入的账号、密码正确，提示登陆成功
+    else:
+        print("机会已经用完")
+        exit()
+print("欢迎来到贝尔编程")
+    
\ No newline at end of file

diy4.py

+p = input("玩家出拳：")
+import random
+list = ["石头","剪刀","布"]
+c = random.choice(list)
+print("计算机出拳："+c)
+i = 3
+while True:
+    while i != 0:
+        if p in list:
+            i -= 1
+            if p == c:
+                print("平局")
+            elif (p=="石头" and c =="剪刀") or (p=="剪刀" and c =="布") or (p=="布" and c =="石头"):
+                print("玩家赢")
+            else:
+                print("计算机赢")
+        print("还有"+str(i)+"次机会")
+
+           
+    else:
+        print("输入错误")
+        exit()
\ No newline at end of file