Frequency of words in a document in python

[rudraneel18]

Please assign me this topic under hacktoberfest or hacktoberfest-accepted tag

[rudraneel18]

#316 I have created a PR for the same
Please accept it under the hacktoberfest tag

[Srikantam-Bhavana]

Could you please assign me this issue. I have already worked on this! Its would be grateful.