save project

diy2.py

-o=0
+o=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if o > 0 :
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        o-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
         if name!=username:
         if name!=username:
             print("用户名错误")
             print("用户名错误")
-        o+=1
+            print('你还有'+str(o)+'次登录机会')
+            
             continue
             continue
+            
         if password!=userpassword:
         if password!=userpassword:
             print("密码错误")
             print("密码错误")
+            print('你还有'+str(o)+'次登录机会')
             continue
             continue
-    if o > 3 :
+        if o == 3 :
             print('sb想盗号')
             print('sb想盗号')
             exit()
             exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file