save project

diy2.py

-username = a"
+username = "a"
+i = 3
 userpassword = "123456"
 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("sb，账号错误")
-        continue
-    if password != userpassword:
-        print("sb，m密码错误")
-        continue    
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+    if i>0:
+        i -= 1
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        print("sb，你只有" + str(i) + "次机会了")
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            print("sb，账号错误")
+            continue
+        if password != userpassword:
+            print("sb，m密码错误")
+            continue   
+    else:
+        print("sb,你钱没了")     
+        exit()
+print("欢迎来到贝尔银行!")
\ No newline at end of file