22、md5以及set集合

<pre><code class="language-python">import hashlib data = '你好' </code></pre> <pre><code class="language-python">hashlib.md5(data.encode(encoding='UTF-8')).hexdigest()</code></pre> <pre><code>'7eca689f0d3389d9dea66ae112e5cfd7'</code></pre> <pre><code class="language-python">b = hashlib.md5('你好'.encode(encoding='UTF-8')).hexdigest()</code></pre> <pre><code class="language-python">data = 'gucci黑色绒面系列复古单肩包' hashlib.md5(data.encode(encoding='UTF-8')).hexdigest()</code></pre> <pre><code>'43a697f90e6099296dbfb1eba539f9ab'</code></pre> <pre><code class="language-python">a = hashlib.md5(data.encode(encoding='UTF-8')).hexdigest()</code></pre> <pre><code class="language-python">product_info =\ { 'product_img_url':product_img_url, 'product_url':product_url, 'product_title':product_title, 'product_shop_name':product_shop_name, 'product_price':product_price }</code></pre> <pre><code class="language-python">lista = []</code></pre> <pre><code class="language-python">product_dict = {b: '你好'} lista.append(product_dict)</code></pre> <pre><code class="language-python">lista</code></pre> <pre><code>[{'43a697f90e6099296dbfb1eba539f9ab': 'Runoob'}, {'7eca689f0d3389d9dea66ae112e5cfd7': '你好'}]</code></pre> <pre><code class="language-python">basket = {'apple', 'orange', 'apple', 'pear', 'orange', 'banana'}</code></pre> <pre><code class="language-python">for i in basket: print(i)</code></pre> <pre><code>pear banana orange apple</code></pre> <pre><code class="language-python">set_list = set()</code></pre> <pre><code class="language-python">set_list.add('orange')</code></pre> <pre><code class="language-python">set_list</code></pre> <pre><code>{'apple', 'orange', 'pear'}</code></pre>