>>> a = "line1\nline2\nline3\nline4\n……"
>>> print(a)
line1
line2
line3
line4
……
>>> a = """line1 ## 使用"""xxxx""" 可以省略\n.
line2
line3
line4
……
"""
>>> print(a)
line1
line2
line3
line4
……
>>> a = "line1\nline2\nline3\nline4\n……"
>>> print(a)
line1
line2
line3
line4
……
>>> a = """line1 ## 使用"""xxxx""" 可以省略\n.
line2
line3
line4
……
"""
>>> print(a)
line1
line2
line3
line4
……