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[英]I don´t know what version of Python I have, and problem coding my first website
[英]I have syntax error on my code and I don't know what the problem is?
问:“询问用户他们想输入多少个数字。让他们输入这么多数字并将它们写入文本文件。每个数字必须在单独的行上。” 我不知道错误是什么
user = int(input("how many numbers to enter"))
file = open("file1.txt" , "a")
for x in range(user):
number = input("Enter number" + str(user + 1) + "\n")
file.writelines(user+"\n")
file.close()
我相信您使用的是user
变量而不是x
变量。 固定代码:
user = int(input("how many numbers to enter"))
with open("file1.txt" , "a") as file:
for x in range(user):
number = input("Enter number " + str(x + 1) + "\n")
file.writelines(user + "\n")
通过阅读练习顺序,我发现您已经接近答案,并假设这就是您想要的。
user = int(input("How many numbers you want to enter?\n"))
file = open("file1.txt", "w")
for x in range(user):
number = input("Enter number " + str(x + 1) + ":\n")
file.writelines(str(x) + "\n")
file.close()
您忘记添加用户变量和行
file.writelines(user+"\n")
您忘记将 int 转换为字符串。
file.writelines(str(user)+"\n")
请注意,您的代码只会写入用户编号“用户”次。
这是适用于我的编辑代码:
user = 5 #number of users
file = open("file1.txt" , "a")
for x in range(user): #loop every user
number = input("Enter number" + str(x + 1) + "\n") #Use "str()"" to convert number, called int, to a string
file.writelines(str(user) + "\n")
file.close()
尽管您的问题对我来说并不清楚,但我想这就是您所期望的。
user_input = int(input("how many numbers to enter:"))
with open("file1.txt" , "w") as output_file:
for x in range(user_input):
number = input("Enter number" + f'{x + 1}:' + "\n")
print(number, file=output_file)
由于print
function 本身会进行换行,因此您可以省略添加新行。
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