Python：多行格式输出的空格[重复]

Question

尝试通过 pep8 重构代码。

代码：

    print """Exception when sending email to: {0},
        from: {1}, subject: {2}, e: {3}""".format(to, fr, subject, e)

输出：

Exception when sending email to: to,
                from: fr, subject: subject, e: Invalid URL 'http//127.0.0.1:8000/'

如何删除上述输出中from 之前的空格？谢谢

更新

以下代码工作正常。我应该删除这篇文章吗？

 34             print ($
 35                 "Exception when sending email to: {0},"$
 36                 "from: {1}, subject: {2}, e: {3}").format(to, fr, subject, e)$

Answer 1

由于您使用的是"""，因此您应该在this link 搜索术语“triple-quotes”。

更改：

print """Exception when sending email to: {0},
        from: {1}, subject: {2}, e: {3}""".format(to, fr, subject, e)

收件人：

print """Exception when sending email to: {0}, from: {1}, subject: {2}, e: {3}""".format(to, fr, subject, e)

编辑：

如果需要保持行短，也可以使用\继续多行语句：

代码：

print("""Exception when sending email \
to: {0}, \
from: {1}, \
subject: {2}, \
e: {3}""".format('to', 'fr', 'subject', 'e'))

输出：

Exception when sending email to: to, from: fr, subject: subject, e: e