auto save

my_cloud.py

-import wordcloud
+import wordcloud
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+
+w=wordcloud.WordCloud(background_color='yellow')
+w.generate('hello word 78 8787 8 7 78 78 87 8 7 8 7 8 7 87 78 7 78 778 ')
+w.to_file('mycloud.png')
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