save project

diy1.py

 chao={"薯条":3,"可乐":3,"巧克力":2,"兵粮":8,"手雷":1145,"原子弹":99999}
-sb=input("你要买点啥:")
-bs=input("几个")
+sb=input("名字:")
+bs=input("价钱")
 if sb in chao:
-    c=chao[sb]*int(bs)
-    print('逼逼,你要的'+sb+'要支付'+str(c)+"美元")
+    if float(bs)<chao[sb]:
+        chao[sb]=float(bs)
+        print(sb+"降价了,现价"+bs+"美元")
+    else:
+        print("涨价了，我们不买")
 else:
-    print("没有，滚蛋")
+    chao[sb]=float(bs)
+    print(sb+"价格已上传"+bs+"美元")
+print(chao)