save project

asd.py

+loading_number=3
+while True:
+    name = input("请输入用户名:")
+    if name != username:
+        print("用户名错误")
+        loading_number-=1
+        print("你还可以登录："+str(number)+"次")
+        if loading_number==0:
+            print("登录次数以到达，拒绝登录")
+            exit()
+        continue
+password=input("请输入密码")
+if name == username and password == userpassword:
+    print("登录成功!")
+    break
+else:
+    print("密码错误") 
+    loading_number-=1
+    print("你还可以登录："+str(number)+"次")
+    if loading_number==0:
+        print("登录次数以到达，拒绝登录")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file

diy2.py

-username = "python"
-userpassword = "123456"
-number=3
-name = input("请输入用户名:")
-while name != username:
-    number-=1
-    print("用户名错误")
-    name=input("请输入用户名:")
-    if number==0:
-    exit()
+loading_number=3
+while True:
+    name = input("请输入用户名:")
+    if name != username:
+        print("用户名错误")
+        loading_number-=1
+        print("你还可以登录："+str(number)+"次")
+        if loading_number==0:
+            print("登录次数以到达，拒绝登录")
+            exit()
+        continue
 password=input("请输入密码")
-while password != userpassword:
-    print("密码错误") 
-    number-=1
-    if number==0:
-    exit()
-    password=input("请输入密码") 
 if name == username and password == userpassword:
     print("登录成功!")
-    print("欢迎来到贝尔编程!")
-
+break
+else:
+    print("密码错误") 
+    loading_number-=1
+    print("你还可以登录："+str(number)+"次")
+    if loading_number==0:
+        print("登录次数以到达，拒绝登录")
+        exit()
+print("欢迎来到贝尔编程!")