擅长:python、mysql、java
<pre><code>>>> filename = 'Field_52_combined_final_roughcal.fits'
>>> filename.split('_')
['Field', '52', 'combined', 'final', 'roughcal.fits']
>>> filename.split('_')[:2]
['Field', '52']
>>> '_'.join(filename.split('_')[:2])
'Field_52'
</code></pre>
<p>因此,将其应用到代码中,请使用:</p>
^{pr2}$
<p>而不是:</p>
<pre><code>hdu.writeto('{}_{}'.format(filename,'traitement_1'))
</code></pre>