Traceback (most recent call last):
  File "/usr/lib/python3.5/py_compile.py", line 125, in compile
    _optimize=optimize)
  File "<frozen importlib._bootstrap_external>", line 735, in source_to_code
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "/in/foo.py", line 4
    b=int(input(f"\u8bf7\u8f93\u5165\u8d2d\u4e70\u7684\u7b2c{i}\u79cd\u56fe\u4e66\u4ef7\u683c\uff08\u5143\uff09\uff1a"))
                                     ^
SyntaxError: invalid syntax

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3.5/py_compile.py", line 129, in compile
    raise py_exc
py_compile.PyCompileError:   File "/in/foo.py", line 4
    b=int(input(f"\u8bf7\u8f93\u5165\u8d2d\u4e70\u7684\u7b2c{i}\u79cd\u56fe\u4e66\u4ef7\u683c\uff08\u5143\uff09\uff1a"))
                                     ^
SyntaxError: invalid syntax