auto save

my_cloud.py

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