save project

diy2.py

+username = "qzm"
+userpassword = "20121216"
+i=3
+while True:
+    if i<=0:
+        print("机会用完，账户锁定")
+        exit()
+    print("还剩"+str(i)+"次机会")
+    name=input('请输入用户名: \n')
+    password=input("请输入密码:\n")
+    if name!=username: 
+        print("用户名错误，重新输入！")
+        i=i-1
+        continue
+    elif password != userpassword:
+        print("密码错误，重新输入！")
+        i=i-1
+        continue
+    else:    
+        break
+print("欢迎来到贝尔编程!")
\ No newline at end of file