save project

diy2.py

+username = "python"
+userpassword = "123456"
+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!请重新输入")
+            print(您还有+str(i)+机会)
+            continue
+        if password!=userpassword:
+            print("密码错误!请重新输入")
+            print(您还有+str(i)+机会)
+            continue
+    else:
+        print("你的账号已锁定")
+        exit()
+print("偷看我日记?滚!")
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