save project

diy1.py

+cost={"pingguo":5.2,"shanzhu":12.9,"xiangjiao":2.4,"lizhi":15,"putao":9.3,"lanmei":10,"guiyuan":8}
+k=input("请输入水果名称: ")
+v=input("请输入水果价钱: ")
+if k in cost:
+    if float(v)<cost[k]:
+        cost[k]=float(v)
+        print(k+'降价了,现价'+v+'元')
+    else:
+        print(k+'涨价了，我们不买')
+else:
+    cost[v]=float(v)
+    print(k+"的价钱"+v+"元已上传")
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