save project

diy2.py

+i=0
+username = "python"
+userpassword = "741852963"
+i+=1
+if i>0:
+    print("次数已经用完")
+else:
+while True:
+    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("账号错误")
+        print("你还剩下"+str(i)+"次机会")
+        continue
+    if password !=userpassword
+        print("密码错误")
+        print("你还剩下"+str(i)+"次机会")
+        else:    
+            print("用户名和密码错误!请重新输入")
+            print("你还剩下"+str(i)+"次机会")
+    if i==3
+        print("你的账号已被锁定,请带身份证来我司解锁")
+        exit()
+print("欢迎来到贝尔编程!")
+
+