[英]Why does python print() function print a % at the end of the line when I use the end parameter?
[英]Why does not the parameter passed to the keyword argument end in the print function of Python does not work as expected in the below context?
我运行了以下代码,
with open('test.txt', 'r') as f:
for line in f:
print(line, end=' ')
我希望得到,
This is the first line This is the second line This is the third line
作为输出。
相反,我得到了,
This is the first line
This is the second line
This is the third line
有人能告诉我为什么会发生这种行为吗?
.txt 文件中的内容如下,
This is the first line
This is the second line
This is the third line
文本文件的内容在每一行后都有一个 \\n,所以我建议您通过添加以下行将 '\\n' 替换为 '':
line = line.replace('\n', '')
所以代码看起来像这样:
with open('test.txt', 'r') as f:
for line in f:
line = line.replace('\n', '')
print(line, end=' ')
在文件中,每行都有一个换行符。 您可以使用 strip() 函数删除它。
例子:
with open("test.txt", "r") as f:
for line in f:
print(line.strip(), end=" ")
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