python - 不应该在下面的代码中缩进

Question

在python tutorial是一个例子(复制在下面)，难道else不应该缩进吗？我运行了代码，它没有工作，但我缩进了它 (else)，它工作了。我说的对吗？如果文档有误，我该如何将其作为错误报告给 python 文档人员？

>>> for n in range(2, 10):
...     for x in range(2, n):
...         if n % x == 0:
...             print n, 'equals', x, '*', n/x
...             break
...     else:
...         # loop fell through without finding a factor
...         print n, 'is a prime number'
...

Answer 1

查看您链接的文档:

Loop statements may have an else clause; it is executed when the loop terminates through exhaustion of the list (with for) or when the condition becomes false (with while), but not when the loop is terminated by a break statement. This is exemplified by the following loop, which searches for prime numbers: