save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name=input("请输入你的账号：")
+        password=input("请输入你的密码：")
+        i=i-1
+        if name==username and password==userpassword:
+            print("欢迎来到贝尔编程!")
+            break
+        if  name!=username:
+            print("账号输入错误")
+            print("您还剩"+str(i)+"次机会")
+            continue
+        if  password!=userpassword:
+            print("密码输入错误")
+            print("您还剩"+str(i)+"次机会")
+            continue
+    else:
+        print("次数已用尽")
+        exit()
+    print("欢迎来到贝尔编程")    
+        
\ No newline at end of file