def print(self, *args, sep=" ", end="\n", file=None): # known special case of print
"""
print(value, ..., sep=" ", end="\n", file=sys.stdout, flush=False)
Prints the values to a stream, or to sys.stdout by default.
Optional keyword arguments:
file: a file-like object (stream); defaults to the current sys.stdout.
sep: string inserted between values, default a space.（在值之間插入字串，預設空格。）
end: string appended after the last value, default a newline.
flush: whether to forcibly flush the stream.
如果你用PyCharm，按Ctrl+滑鼠左鍵，就能看到這些幫助資訊。
def print(self, *args, sep=" ", end="\n", file=None): # known special case of print
"""
print(value, ..., sep=" ", end="\n", file=sys.stdout, flush=False)
Prints the values to a stream, or to sys.stdout by default.
Optional keyword arguments:
file: a file-like object (stream); defaults to the current sys.stdout.
sep: string inserted between values, default a space.（在值之間插入字串，預設空格。）
end: string appended after the last value, default a newline.
flush: whether to forcibly flush the stream.
如果你用PyCharm，按Ctrl+滑鼠左鍵，就能看到這些幫助資訊。