save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-i=3
+
 while True:
 while True:
-    if i>0:
-        name = input("请输入用户名:")
-        password = input("请输入密码:")
-        i=i-1
-        if name == username and password == userpassword: 
-            print("登录成功!")
-            break
-        if name!= username:
-            print("帐号错误")
-        if password!= userpassword: 
-            print("密码错误")
-        print("用户名和密码错误!请重新输入")
-    else:
-        print("超过登录次数")
-        exit()
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword: 
+        print("登录成功!")
+        break
+    if name!= username:
+        print("帐号错误")
+        print("省"+str(i))
+    if password!= userpassword: 
+        print("密码错误")
+        print("省"+str(i))
+    print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file