save project

dddd.py

+ppp={"西瓜":10,"苹果":4,"桃子":6,"柠檬":3,"柿子":7}
+a=input('什么水果?')
+b=input('多少钱？')
+if a in ppp:
+    if int(b)>ppp[a]:
+        print("涨价了，不买。")
+    else:
+        print("降价了，买。")
+else:
+    ppp[a]=int(b)
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