<p>我正在写一个书店程序,它读取一个文本文件,你下订单,然后它将你的收据写入另一个文本文件。我把整件事都写了,却忘了把收据写进一个单独的文件里。将整个模块写入另一个文件的最佳/最简单方法是什么?你知道吗</p>
<pre><code>def receipt():
sum=0.0
print("\n\n")
print("*"*70)
print("\tThank you {} for your purchase at The Book
Store!".format(name))
print("*"*70)
print("\nQty\t\tItem\t\tPrice\t\tTotal\n")
for i in range(len(myBooks)):
print(myBooks[i][0],"\t",myBooks[i][1],"\t",myBooks[i][2],"\t\t",myCost[i])
for number in myCost:
sum = sum + number
print("\n\nSubtotal: ${}".format(sum))
tax = round(sum * .076,2)
total = round(sum + tax,2)
print("Tax: ${}".format(tax))
print("Total: ${}".format(total))
</code></pre>