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()
+# 创建词云对象
+w=wordcloud.WordCloud(background_color="white",
+                      font_path='SimHei.ttf')
+# 传入词云文本内容
+w.generate(text)
+# 保存为png图片
+w.to_file("mycloud.png")
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