'jieba库的安装使用'

pip install jieba

import jieba.analyse

data = "Python 是一种解释型、面向对象、动态数据类型的高级程序设计语言。" \
       "Python 由 Guido van Rossum 于 1989 年底发明，第一个公开发行版发行于 1991 年。"

#提取标签
for keyword,weight in jieba.analyse.extract_tags(data,withWeight=True):
    print('%s:%s' % (keyword,weight))

#输出内容
# Building prefix dict from the default dictionary ...
# Loading model from cache C:\Users\10186\AppData\Local\Temp\jieba.cache
# Loading model cost 0.878 seconds.
# Prefix dict has been built successfully.
# Python:1.1385492859904762
# 数据类型:0.585297130452381
# Guido:0.5692746429952381
# van:0.5692746429952381
# Rossum:0.5692746429952381
# 1989:0.5692746429952381
# 1991:0.5692746429952381
# 发行版:0.5270221099
# 面向对象:0.5067895768571429
# 程序设计:0.44264321266619044
# 发明:0.31970364912190474
# 动态:0.3195238865542857
# 高级:0.3114256070914286
# 语言:0.29349988448285713
# 第一个:0.28425680430714284
# 解释:0.2720391527752381
# 年底:0.2701318006847619
# 公开:0.26735277138999997
# 发行:0.22793990734714284
# 一种:0.19674458076142856