save project

diy.py

@@ -3,9 +3,9 @@
 cost= {'苹果':5.2,'山竹':12.9,'香蕉':2.4,'荔枝':15,'葡萄':9.3,'桂圆':8,'蓝莓':10,'李子':8}
 k=input('请输入水果名称：')
 v=input('请输入水果价钱：')
-if  '苹果'in cost:# ?补充条件判断:
+if  k in cost:# ?补充条件判断:
     if int(v)<cost[k] :
-        cost=['苹果']=5# 更新价钱
+        cost[k]=int(v)# 更新价钱
         print(k+'降价了，现价'+v+'元')
     else:
         print(k+'涨价了，我们不买')

diy1.py

+i=3
+username = "python"
+userpassword = "123456"
+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 passwoed==userpassword:
+            print("登录成功！")
+            break
+        if name != username:
+            print("用户名错误,请重新输入！")
+            continue
+        if password != userpassword:
+            print("密码输入有误,请重新输入！")
+    else:
+        print("你的账户已被锁定，请带身份证来我司解锁")
+        exit()
+print("欢迎来到贝尔编程！")
\ No newline at end of file