擅长:python、mysql、java
<pre><code>while True:
ItemID = Inventory.readline().strip()
if ItemID == "":
break
else:
ItemDesc = Inventory.readline().strip()
ItemPrice = float(Inventory.readline().strip())
TotalPrice += ItemPrice
NumberOfItems += 1
ItemAverage = TotalPrice / NumberOfItems
print(ItemID + " is " + ItemDesc + " and is priced at: " + str(ItemPrice))
Inventory.close()
print("Average list price is : " + str(ItemAverage))
</code></pre>
<pre><code>BP2500 is 3-PERSON TENT and is priced at: 75.0
BP1000 is LOUNGE CHAIR and is priced at: 50.0
BP3000 is PROPANE HEATER and is priced at: 149.0
BP0900 is HIKING BOOTS and is priced at: 120.0
BP0950 is BACKPACK and is priced at: 100.0
BP3050 is GPS TRACKER and is priced at: 130.0
Average list price is : 104.0
[Finished in 0.3s]
</code></pre>