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 14
    print( num1,"\u548c", num2,"\u7684\u6700\u5c0f\u516c\u500d\u6570\u4e3a", lcm(num1, num2))
    ^
IndentationError: unexpected indent

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: Sorry: IndentationError: unexpected indent (foo.py, line 14)