save project

3.py

 a={"苹果":4,"草莓":26,"橘子":15,"山竹":30,"西瓜":50}
 a={"苹果":4,"草莓":26,"橘子":15,"山竹":30,"西瓜":50}
+b=input("水果？")
+c=int(input("价格？"))
+if b in a:
+    if c>a[b]:
+        print("涨价了我们不买了")
+    elif c==a[b]:
+        print("价格不变")
+    else:
+        print("水果降价，价格是"+str(c))
+else:
+    print("水果不在列表中")
+    a[b]=c
+    print(a)
+
+    
+
+        
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