ipython又一方便的调试和应用工具!!!

In [7]: %run -p test.py
3
Hello World!
         51 function calls in 0.004 seconds

   Ordered by: internal time

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
        1    0.002    0.002    0.004    0.004 test.py:1(<module>)
        1    0.001    0.001    0.001    0.001 test.py:1(foo)
        2    0.000    0.000    0.000    0.000 {open}
        1    0.000    0.000    0.000    0.000 {compile}
        1    0.000    0.000    0.004    0.004 interactiveshell.py:2443(safe_execfile)
        1    0.000    0.000    0.000    0.000 {method ‘read‘ of ‘file‘ objects}
        1    0.000    0.000    0.004    0.004 py3compat.py:268(execfile)
        1    0.000    0.000    0.000    0.000 ntpath.py:415(normpath)
        2    0.000    0.000    0.000    0.000 ntpath.py:96(splitdrive)
        2    0.000    0.000    0.000    0.000 {method ‘encode‘ of ‘unicode‘ objects}
        1    0.000    0.000    0.000    0.000 syspathcontext.py:64(__exit__)
        1    0.000    0.000    0.000    0.000 ntpath.py:174(split)
        1    0.000    0.000    0.004    0.004 <string>:1(<module>)
        1    0.000    0.000    0.000    0.000 syspathcontext.py:57(__enter__)
        1    0.000    0.000    0.000    0.000 ntpath.py:213(dirname)
        2    0.000    0.000    0.000    0.000 py3compat.py:19(encode)
        1    0.000    0.000    0.000    0.000 syspathcontext.py:54(__init__)
        1    0.000    0.000    0.000    0.000 ntpath.py:483(abspath)
        1    0.000    0.000    0.000    0.000 py3compat.py:29(cast_bytes)
        1    0.000    0.000    0.000    0.000 {nt._getfullpathname}
        2    0.000    0.000    0.000    0.000 {method ‘startswith‘ of ‘unicode‘ objects}
        1    0.000    0.000    0.000    0.000 {method ‘remove‘ of ‘list‘ objects}
        1    0.000    0.000    0.000    0.000 ntpath.py:285(expanduser)
        3    0.000    0.000    0.000    0.000 {method ‘replace‘ of ‘unicode‘ objects}
        8    0.000    0.000    0.000    0.000 {len}
        1    0.000    0.000    0.000    0.000 {method ‘join‘ of ‘unicode‘ objects}
---Return to continue, q to quit---