Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/py_compile.py", line 117, in compile
    raise py_exc
py_compile.PyCompileError:   File "/in/foo.py", line 8
    a1=list(map(int,input(f'请输入{n1}个数字,请用空格分隔：').split()))
                                                                        ^
SyntaxError: invalid syntax