save project

diy2.py

 u = "python"
 u = "python"
 us = "123456"
 us = "123456"
+i=3
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == u and password == us:
-       print("登录成功!")
-       break
-    if u!=name:
-        print("用户名和密码错误!请重新输入")
-    if us!=password:
-        continue
-        print("密码错误")
-print("欢迎来到贝尔编程!")
+    if i>0:    
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i=i-1
+        if u==name and us==password:
+            print("登录成功!")
+            break
+        
+        if u!=name:
+            print("用户名和密码错误!请重新输入")
+            continue
\ No newline at end of file
+            
+        if us!=password:
+            print("密码错误")
+    else:
+        print("请到公司")
+        exit()
+    print("欢迎来到贝尔编程!")
\ No newline at end of file