save project

diy2.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 username==name and userpassword==password:
+            print("输入正确")
+            break
+
+        if name!=username:
+            print("用户名输入错误，请重新输入:")
+            continue
+        if password!=userpassword:
+            print("密码输入错误，请重新输入:")
+    else:
+        print("你的账户已被锁定，请携带身份证到我司解锁:")
+        exit()
+