auto save

my_cloud.py

-import wordcloud
+import wordcloud
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+
+with open('python二级考试大纲.txt',encoding = 'utf-8')as f:
+    text = f.read()
+w = wordcloud.WordCloud(background_color = 'white',font_path = 'SimHei.ttf')
+w.generate(text)
+w.to_file('mycloud.png')
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