save project

持家.py

+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}
+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}
+M=input("请输入水果名称:")
+J=input("请输入水果价钱:")
+#M=名称 J=价钱
+if M in cost:
+    if  float(J)<=cost[M]:
+        print(M+'降价了,现价'+J+'元')
+    else:
+        print(M+'涨价了,不买')
+else:
+    float[M]=cost(J)
+    print(K+"的价钱已上传。")
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