save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        i=i-1
+        if name != "python":
+            print("用户名错误!请重新输入")
+            print("还有",str(i),"次机会")
+            continue 
+        password = input("请输入密码:")
+        if password != "123456":
+            print("密码错误!请重新输入") 
+            print("还有",str(i),"次机会")       
+            continue
+        if name == username and password == userpassword:
+            print("cg")
+            break
+    else:
+        print("锁定")
+        exit()        
+print("欢迎来到贝尔编程!")
\ No newline at end of file