save project

1.p'y

+cost={"apple":5.2,"banana":2.4,"葡萄":3.3,"蓝莓":10}
+k=input("请输入水果":)
+v=input("请输入水果价格":)
+if k in cost:
+    if float(v)<cost[k]:
+        cost[k]=float(v)
+        print(k+"减价了,现价"+v+"元")
+    else:
+        print(k+"涨价了，我们不买)
+else:
+    cost[k]=float(v)
+    print(k+"的价钱"+v+"元已上传")
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1.py

+cost={"apple":5.2,"banana":2.4,"葡萄":3.3,"蓝莓":10}
+k=input("请输入水果:")
+v=input("请输入水果价格:")
+if k in cost:
+    if float(v)<cost[k]:
+        cost[k]=float(v)
+        print(k+"减价了,现价"+v+"元")
+    else:
+        print(k+"涨价了，我们不买")
+else:
+    cost[k]=float(v)
+    print(k+"的价钱"+v+"元已上传")
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