import wordcloud
font = "/System/Library/Fonts/Hiragino Sans GB.ttc" # 指定字体
file = open("a.txt", encoding='utf-8')
string = str(file.read())
file.close()
w = wordcloud.WordCloud(font_path=font, max_words=500, max_font_size=40, background_color='white')
w.generate(string)
w.to_file('evalute.jpg')