Help on finding word is valid as per English Dictionary through python

[anu python]

Hi,
              I have a text file ,
a.txt
------------------------

this is a lcose button

where u can observer  "lcose"  is not a valid word.It's typing
mistake.Actual word is "close".

How can i check that each word entered in txt file having correct meaningful
words as per English Dictionary.

Do you have any package which can check "English Dictionary"

Please help me.

Thanks,
Anu
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