>>> str4 = """This too
... is a multiline one
... built with triple double-quotes."""
>>> str4 #A
'This too\nis a multiline one\nbuilt with triple double-quotes.'
>>> print(str4) #B
This too
is a multiline one
built with triple double-quotes.
在#A和#B中，我们先隐式地打印str4，然后使用print函数显式地打印。
为什么输出不同？