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!pip install nltk

Requirement already satisfied: nltk in c:\users\pravi\appdata\roaming\python\python37\site-packages (3.5)
Collecting tqdm
  Using cached tqdm-4.56.0-py2.py3-none-any.whl (72 kB)
Collecting click
  Using cached click-7.1.2-py2.py3-none-any.whl (82 kB)
Requirement already satisfied: joblib in c:\users\pravi\appdata\local\continuum\anaconda3\envs\tensorflow\lib\site-packages (from nltk) (0.14.1)
Requirement already satisfied: regex in c:\users\pravi\appdata\roaming\python\python37\site-packages (from nltk) (2020.11.13)
Installing collected packages: tqdm, click
Successfully installed click-7.1.2 tqdm-4.56.0

import nltk给我信息name 'nltk' is not defined

我想知道这是否是路径问题,或者我需要在哪里解决这个问题。谢谢!

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1 回答 1

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由于安装没有显示任何错误,因此您可以考虑以下几点 -

  1. 您是否在正确的环境中安装 pip 包?通常,您应该会看到包中列出的 nltk 包。

  2. 你用的是python3吗?也许用 pip3 代替安装?

  3. 如果需要,重新加载内核以使更改生效。

于 2021-01-26T23:23:34.390 回答