ループを停止するまでループをファイルに書き込むにはどうすればよいですか?
例えば
outFile = "ExampleFile.txt", "w"
example = raw_input(" enter number. Negative to stop ")
while example >= 0:
example = raw_input("enter number. Negative to stop")
outFile.write("The number is", example,+ "\n")
近づいたような気がしますが、よくわかりません。特にこの質問を検索する方法がわかりませんでした。申し訳ありませんが、2 つ以上の引数を入力すると、関数が 1 つの引数を取るというエラーが表示され続けます。
import os.path
outFile = open("purchases.txt","w")
quantity = float(raw_input("What is the quantity of the item :"))
cost = float(raw_input("How much is each item :"))
while quantity and cost >= 0:
quantity = float(raw_input("What is the quantity of the item :"))
cost = float(raw_input("How much is each item :"))
total = quantity * cost
outFile.write("The quantity is %s\n"%(quantity))
outFile.write("the cost of the previous quality is $s\n" %(cost))
outFile.close()
outFile = open("purchases.txt","a")
outFile.write("The total is ",total)
outFile.close()