save project

a.py

+fruit={'苹果':5.2,'山竹':12.9,'香蕉':2.4,'荔枝':15,'葡萄':9.3}
+k=input('请输入水果名称:')
+v=input('请输入水果价格:')
+if k in fruit:
+    if float(v)<fruit[k]:
+        fruit[k]=float(v)
+        print(k+'降价了，现价'+v+'元')
+    else:
+        print(k+'涨价了!不买了!')
+else:
+    fruit[k]=float(v)
+    print(k+'的价钱'+v+'元已上传')    
+        
+        
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