save project

lesson.py

+# username = "comrade"    
+# userpassword = "ypa"
+# while True:    
+#     name=input("请输入用户名")
+#     password=input("请输入密码")
+#     if name == username and password == userpassword:
+#         print("登陆成功")
+#         break
+#     if password != username:
+#         print("密码错误")
+#         continue
+#     if name != userpassword:
+#         print("有号码错误")
+# print("欢迎来到贝尔编程!")
+
+
+
+i=1
+username = "comrade"    
+userpassword = "ypa"
+while True:
+    if i>0:    
+        name=input("请输入用户名")
+        password=input("请输入密码")
+        i-=1
+        if name == username and password == userpassword:
+            print("登陆成功")
+            break
+        elif name != username:
+            print("号码错误")
+        else:
+            print("密码错误")
+    else:
+        print("你的账户已冻结,请关机重启,且找客服")
+        exit()
+print("欢迎来到贝尔编程!")
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