save project

y.py

+fruit = {"苹果":6,"梨":8,"葡萄":2,"西瓜":6,"榴莲":8}
+k = input("水果")
+v = input("价格")
+if k in fruit:
+    if fruit[k]<int(v):
+        print("涨价了")
+    else:
+        print("降价了")
+else:
+    fruit[k] = int(v)
+    print("没有这类水果已添加")
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