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<p>我正在尝试从另一个列表生成列表:</p>
<pre><code>lista = [u'http://www.fetise.com/apparel/shirts',
u'http://www.fetise.com/apparel/tees',
u'http://www.fetise.com/apparel/tops-and-tees',
u'http://www.fetise.com/accessories/belts',
u'http://www.fetise.com/accessories/cufflinks',
u'http://www.fetise.com/accessories/jewellery',
u'http://www.fetise.com/accessories/lighters',
u'http://www.fetise.com/accessories/others',
u'http://www.fetise.com/accessories/sunglasses',
u'http://www.fetise.com/accessories/ties-cufflinks',
u'http://www.fetise.com/accessories/wallets',
u'http://www.fetise.com/accessories/watches',
u'http://www.fetise.com/footwear/boots',
u'http://www.fetise.com/footwear/casual',
u'http://www.fetise.com/footwear/flats',
u'http://www.fetise.com/footwear/heels',
u'http://www.fetise.com/footwear/loafers',
u'http://www.fetise.com/footwear/sandals',
u'http://www.fetise.com/footwear/shoes',
u'http://www.fetise.com/footwear/slippers',
u'http://www.fetise.com/footwear/sports',
u'http://www.fetise.com/innerwear/boxers',
u'http://www.fetise.com/innerwear/briefs',
u'http://www.fetise.com/personal-care/deos',
u'http://www.fetise.com/personal-care/haircare',
u'http://www.fetise.com/personal-care/perfumes',
u'http://www.fetise.com/personal-care/personal-care',
u'http://www.fetise.com/personal-care/shavers',
u'apparel/tees/gifts-for-her',
u'footwear/sandals/gifts-for-her',
u'footwear/shoes/gifts-for-her',
u'footwear/heels/gifts-for-her',
u'footwear/flats/gifts-for-her',
u'footwear/ballerinas/gifts-for-her',
u'footwear/loafers/gifts-for-her']
</code></pre>
<p>通过使用这个:</p>
^{pr2}$
<p>输出为:</p>
<pre><code>[u'http://www.fetise.com/apparel/tees/gifts-for-her',
u'http://www.fetise.com/footwear/sandals/gifts-for-her',
u'http://www.fetise.com/footwear/shoes/gifts-for-her',
u'http://www.fetise.com/footwear/heels/gifts-for-her',
u'http://www.fetise.com/footwear/flats/gifts-for-her',
u'http://www.fetise.com/footwear/ballerinas/gifts-for-her',
u'http://www.fetise.com/footwear/loafers/gifts-for-her']
</code></pre>
<p>但我需要这个输出:</p>
<pre><code>[u'http://www.fetise.com/apparel/shirts',
u'http://www.fetise.com/apparel/tees',
u'http://www.fetise.com/apparel/tops-and-tees',
u'http://www.fetise.com/accessories/belts',
u'http://www.fetise.com/accessories/cufflinks',
u'http://www.fetise.com/accessories/jewellery',
u'http://www.fetise.com/accessories/lighters',
u'http://www.fetise.com/accessories/others',
u'http://www.fetise.com/accessories/sunglasses',
u'http://www.fetise.com/accessories/ties-cufflinks',
u'http://www.fetise.com/accessories/wallets',
u'http://www.fetise.com/accessories/watches',
u'http://www.fetise.com/footwear/boots',
u'http://www.fetise.com/footwear/casual',
u'http://www.fetise.com/footwear/flats',
u'http://www.fetise.com/footwear/heels',
u'http://www.fetise.com/footwear/loafers',
u'http://www.fetise.com/footwear/sandals',
u'http://www.fetise.com/footwear/shoes',
u'http://www.fetise.com/footwear/slippers',
u'http://www.fetise.com/footwear/sports',
u'http://www.fetise.com/innerwear/boxers',
u'http://www.fetise.com/innerwear/briefs',
u'http://www.fetise.com/personal-care/deos',
u'http://www.fetise.com/personal-care/haircare',
u'http://www.fetise.com/personal-care/perfumes',
u'http://www.fetise.com/personal-care/personal-care',
u'http://www.fetise.com/personal-care/shavers',
u'http://www.fetise.com/apparel/tees/gifts-for-her',
u'http://www.fetise.com/footwear/sandals/gifts-for-her',
u'http://www.fetise.com/footwear/shoes/gifts-for-her',
u'http://www.fetise.com/footwear/heels/gifts-for-her',
u'http://www.fetise.com/footwear/flats/gifts-for-her',
u'http://www.fetise.com/footwear/ballerinas/gifts-for-her',
u'http://www.fetise.com/footwear/loafers/gifts-for-her']
</code></pre>
<p>有人能告诉我如何使用<code>if else</code>和{<cd2>}循环的压缩形式。。。在</p>