save project

diy2.py

-i=0
+i=1
 username = "JCY001"
 username = "JCY001"
-userpassword = "18242009519"
+userpassword = "K@18242009519@K"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if name != username:
-        print("用户名不存在，请重新输入！")
-        coutinue
-    if password != userpassword:
-        print("密码输入有误，请重新输入！")
-        exit()
+    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("登录成功!")
+            break
+        if name != username:
+            print("用户名不存在，请重新输入！")
+            coutinue
+        if password != userpassword:
+            print("密码输入有误，请重新输入！")
+            exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")