save project

1.py

+i=3
+username="python"
+userpassword="123456"
+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("登陆成功")
+            break
+        if name!= username:
+            print("用户名错误,请重新输入")
+            continue
+        if password!=userpassword:
+            print("密码错误,请重新输入")
+    else:
+        print("你的账号已锁定,请一小时后输入")
+        exit()
+print("欢迎来到贝尔编程")
\ No newline at end of file

diy2.py

-username="python"
-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("登陆成功")
-        break
-    elif name != username:
-    if name!= username:
-        print("用户名错误,请重新输入")
-    else:
-    if password!=userpassword:
-        print("密码错误,请重新输入")
-print("欢迎来到贝尔编程")
\ No newline at end of file