save project

diy2.py

+username = "qwertyuiopasdfghjklzxcvbnm"
+userpassword = "1234567890"
+i=3
+while True:
+    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("用户名错误，请重试！")
+            print("还有"+str(i)+"次机会，否则程序崩溃")
+            continue
+        if password != userpassword:
+            print("密码错误，请重试！")
+            print("还有"+str(i)+"次机会，否则程序崩溃")
+    else:
+        print("阿巴阿巴阿巴阿巴程序崩溃阿巴阿巴阿巴哇哇哇哇哇哇哇哇哇砰！！！！！")
+        exit()
+print("欢迎来到贝尔编程!")
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