Natural Language Processing with Python NLTK.

1. First, download NLTK using the command ( pip install nltk)

2. Do the following tasks on the attached file containing raw tweets

• Find the number of unique words in the file
• Find the top 10 most frequent tokens in the file.
• Remove empty rows and duplicates
• Remove non-alphanumeric characters
• Remove stop words
• Perform a Part of speech tagging
• Create a word cloud of the cleaned data

Date	tweet
;2015-08-03 15:35;0;0;	@ComedyCentralKE These words can kill a Luhya 'Wacha Ugali ipoe'
;2014-07-11 23:29;0;0;	The little luhya that remains in me always Sitokingi kills me
;2014-02-07 18:36;0;2;	@cheernatwildcat kill it at battle this weekend wildcat!! #luhya
;2011-10-09 19:34;0;0;	@HomeboyzRadio H.B.R luv dat luhya hit luhyas always kill awoooh
;2015-08-21 09:27;2;3;	#HangOutFriday hahaha ball ya terby( derby) Luhyas will kill me
;2017-11-19 17:13;2;5;	Luos dont kill ... blood thirsty killers are those two tribes
;2017-10-14 17:23;0;0;	Same police that kill luos in bondo and shot grannies in migori?
;2017-10-14 16:34;0;0;	But there's provision for police to kill innocent unarmed luos .
;2017-10-13 21:51;0;4;	The gvnt us determined to kill all luos young and old. Issfine
;2017-09-01 09:28;0;0;	Today events:SCOK & Maraga being an Adventist to uphold Uhuru's
;2016-10-08 22:57;0;0;	@citizentvkenya luos will kill me Diana Akoth lol #Slimpossible7
;2016-06-04 19:10;0;0;	Moses kurias main aim is to kill luos pic.twitter.com/SsKy2Zejdb
;2016-05-30 11:33;0;0;	You give orders to kill enough Luos you get promoted.Its alright
;2015-04-28 20:50;0;1;	How To Kill Alshabaab 1. Convert them to luos 2. Ujaluo itawauwa
;2015-04-12 18:16;0;0;	How to kill alshabaabs: 1.Convert them to luos 2.Ujaluo itawaua.
;2015-03-21 12:52;1;0;	HOW TO KILL AL-SHABAAB 1.convert them into luos 2.ujaluo itawaua
;2014-06-20 18:49;0;0;	How to kill alshabaab. 1. Convert them to luos 2. Ujaluo itawaua
;2014-06-11 09:20;0;0;	How to kill Alshabab.1. Convert them to Luos .2. Ujaluo itawaua.
;2014-06-05 11:22;0;0;	How to kill #Alshabaab convert them tu #Luos then #UjaluoItawaua
;2011-12-03 18:13;0;0;	Found it!!! Dan le sac vs scroobius pip - thou shalt always kill
;2016-09-22 21:38;0;0;	Kipsigis are Kalenjins. Kalenjins are Nilotes. Kisiis are Bantu.
;2015-09-23 16:10;0;0;	Are there any Kisiis on Twitter? will we have our president soon
;2015-07-09 11:52;0;0;	Is it me or most Procurement Departments are headed by Kisiis ??
;2015-04-15 09:15;1;1;	LOL but y'all ladies know kisiis are the real badass down there?
;2015-01-23 13:43;3;0;	Funny how Kisiis are night runners but never makes top athletes.
;2014-06-22 03:04;1;0;	Nigerians are the Kisiis of Africa....Now they will never sleep.
;2014-06-01 11:25;1;0;	Smh @AshyVyLauvly : Why are kisiis so loud and annoying? Jeezo_O
;2014-03-30 21:54;0;0;	Whatever happened to US kisiis we are touts and drivers nowadays
;2013-08-23 21:30;0;0;	Woi? Mimi hapa RT @allenochi : There are no Kisiis on Twitter o/
;2013-06-29 21:29;0;0;	But most matatu conductors are kisiis alafu drivers are kikuyus.
;2013-06-19 21:58;0;0;	RT @masaku_ WHO ARE WE? kisiis WHAT DO WE WAND? wait what?
;2013-06-19 21:10;2;1;	SMH @masaku_ WHO ARE WE? kisiis WHAT DO WE WAND? wait what?
;2013-06-19 21:05;0;0;	Smh RT @masaku_ : WHO ARE WE? kisiis WHAT DO WE WAND? wait what?
;2013-04-17 20:00;0;0;	merus are the second loudest bantus after the kisiis . #notribal
;2013-03-09 09:13;0;0;	Obeee... RT @Dee_Abuya : Hehe....RT @h_abuya: Of Kisiis who say
;2015-10-22 23:40;0;1;	@jeygooner poa I hope the #lordsofhate supporters t as +ve as u
;2015-10-22 22:36;1;0;	It's high time we need a #StreetCourt to handle the #LordsOfHate
;2015-10-22 22:25;2;2;	#LordsOfHate Aladwa makes the likes of Kuria to look like saints