Python Tutorial: CSV Module - How to Read, Parse, and Write CSV Files
In this Python Programming Tutorial, we will be learning how to work with csv files using the csv module. We will learn how to read, parse, and write to csv files. CSV stands for "Comma-Separated Values". It is a common format for storing information. Knowing how to read, parse, and write this information to files will open the door to working with a lot of data throughout the world. Let's get started.
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#Python
Пікірлер: 744
I've just interviewed for an amazing Python job, and if I get it I swear I will owe you so much. Everyone says this already but they're right, your videos are fantastic, thank you for all your time and effort!
@coreyms
7 жыл бұрын
That's great, Nina! It makes my day to hear feedback like this. I wish you the best in getting the job. Good luck!
@HellO-ly1bp
6 жыл бұрын
So guess what... I got the job! Big big thanks again, it means so much to me to get a job like this. I'll be sure to keep on recommending your videos!
@syedabdulrahmans3357
6 жыл бұрын
Congrats Nina!
@HellO-ly1bp
6 жыл бұрын
I guess it's special to me because of the struggle it took to get here. My degree isn't in Computer Science, but I really wanted to get into programming and I thought it'd be too difficult to get my foot in the door. But the job I've just got is at a tier 1 investment bank as a Developer, so now I'll get to do something I enjoy for a job, get paid really well for it, and live/work in a beautiful part of London. Not a bad place to start!
@RockDavid
5 жыл бұрын
@@HellO-ly1bp Hey its been a year since you posted this. Im a CS well Computer ENgineer, and i learning this stuff for last 3 weeks goign for 3 months strait. I wanted to ask What did they ask about what you needed to know about Python and what are you constatnly doing at your job with Python? Like type of things your coding or editing? Thanks and its very late but grats on the job :)
I gotta say: it's so rare to find someone with such a great ability for teaching. You should do another one for XML parsing.
Every time I need help with a certain topic (and you've made a video on it), your video pretty much instantly solves my problem. I've spent an hour or so looking through forums and tutorials and this solved my issue in about 5 minutes. Thank you yet again for your expertise. 5/5
I just realized whenever I have a question about python, as long as I come to your channel, I can find the answer! Thanks very much!
I've spent a week trying to figure this out. I watched your video and it took me 10 minutes! THANK YOU. THANK YOU.
Love the tutorials Corey they help so much in learning Python. Just thought I would update this video because the syntax is off around 8:00. The context manager "with open('new_names', 'w') as new_file:" will return a CSV file with a blank row in-between each row. The quick fix is to add "with open('new_names', 'w', newline='') as new_file:" and the issue goes away.
@francescob1904
8 ай бұрын
thanks you so much, I was wondering about what I did wrong...
@ugestacoolie5998
6 ай бұрын
@@francescob1904yeah me too and I was wondering why there was an extra line after each original line XD
I hadn't touched Python in years and I've learnt so much from your videos about requests/requests-html, reading APIs, and CSV files. Thanks so much!
You are so good at teaching man. I appreciate every video that you produce.
@ryaxn_a7495
6 жыл бұрын
nitty? oh, are you wondering why you have no friends? because when someone produces something absolutely amazing you don't notice it???
@shermanmerman4944
6 жыл бұрын
it's a compliment. get over yourself.
@MyTube4Utoo
6 жыл бұрын
+JDI2002 Seriously, the guy pays Corey a much deserved compliment and you manage to find fault with it?
Thank You sir, this lectures are still, in 2022, faaarrr more better than other so called tutorials It is difficult to believe someone gave such free high quality content years ago, you helped millions!!!! Thank You so so much
Hi Corey, thanks for this video. For my interview tomorrow this is what I was looking for.
What I love seeing in the below comments is people actually helping other people. There isn’t any bashing or calling each other names. Lovely.
@coreyms
4 жыл бұрын
Yeah, when I first started making videos I was worried about the comments, but this community of people is fantastic. Super nice and helpful.
This video is the best, I watched many videos on KZread, only this one really help
I am a beginner in Python but whenever i watch your tutorials i feel its easy to write programs in python.The examples are very good. I wish if you can give some exercises based on the videos you show which will help beginners like me to write more programs.
Any time I'm hunting for information on Python, my searches always lead to you and I'm never disappointed. Keep up the great work!
best python tutorial I ever watched
if you have new csv file with blank lines this is for you # Python 2 with open('new_names.csv', 'wb') as outfile: writer = csv.writer(outfile) # Python 3 with open('new_names.csv', 'w', newline='') as outfile: writer = csv.writer(outfile)
@MilanRihaMilan
6 жыл бұрын
I had the same problem :P ...newline='' works just fine. Thank you. Great lectures, I really like the way you teach it. ;) not too fast, not too slow, good examples, easy to understand, really brilliant teaching skills ;)
@jamesgu9223
5 жыл бұрын
thank you, your way works fine.
@kitayuan9842
5 жыл бұрын
cheers brother
@sergiomedina5520
4 жыл бұрын
I was spending 15 minutes to resolve it until you saved me with your comment. Thanks a lot!
@granberyacademia
4 жыл бұрын
I wish I had read the comments... I couldn't understand why my code was f-ing me up
OMG Corey you are soooooo helpfullllllllllll. I love you!
Saved my life when doing my higher computing science coursework. Thanks so much!
Coding after long time...Feeling excited! Thank you for your tutorial. Easy to follow.
Thank you Corey for your time and effort. Keep spreading the knowledge.
I am taking Harvard University's online CS50 course and I could understand JACK about CSV file till I saw this vid 😂 .... Thanks a lot man 👍
@mohammedadnan4976
4 жыл бұрын
SAME
@andrewpratt3861
3 жыл бұрын
Me too!
@codingwithlucy
3 жыл бұрын
Me too :) just 5 months later
@jpdeveer
3 жыл бұрын
I am taking the same course and have found the instruction to be quite lacking. I would be completely lost without Corey
@melancolique9835
3 жыл бұрын
me toooo
You have a very, very simple teaching style that makes it easy for newbies to understand. You're a great teacher! Thank you for the awesome FREE tutorial! This was so much more useful than online courses I am paying for!
You are a natural professor. I appreciate the clarity & completeness. The text is easy to read on a desktop but was a little hard for me to read on a cell phone. If there was a way to zoom in on the text so it could be easier to read on a cell phone that is the only thing that could possible improve this video. Either that or I just need to visit my Optometrist and your videos are flawless.😀
Total life saver, I needed this for a project due today, thank you so much!
Corey, you make me have two interviews and real oportunities for a job, here in Argentina. Thanks you a lot. I'm now a member of your channel, hope u the best.
I was doing this Data Science course on Coursera, and the lesson on the csv module covered a load of content in a very short time. Of course, not understanding a thing, I had to revert back to KZread. This video clears it up really well. Thanks.
excellent stuff definitly helping with my masters project
You make everything so simple to understand. thank you so much!
refreshingly thorough and helpful ! thanks for posting this
you're videos are magic !! i love watching them , thank you so much !!!!!!!
@MyTube4Utoo
6 жыл бұрын
+madyrebecca Corey's videos are 'magic.' I've started on Python books that just bored me. I've used Udemy, CodeCademy, other KZread videos, as well as countless other tutorials, but *nothing* has helped me nearly as much as Cory's tutorials. So yeah, "magic" applies here. I bet he's a warlock! lol
Thank you very much Corey. I switched job and now work with python. your videos helped a lot not to lose it in the beginning :-)
Brother Corey Schafer, your parents should be proud of you. You are a genius. Great at explaining. I have watched almost all videos of this python series. They are blessing to every python beginner. Thanks for all those videos.
@coreyms
6 жыл бұрын
Thanks! I appreciate the kind words
Excellent series and I'm learning a lot from them. Your tutorials are my goto when I have a question. I really wish you had extended this video to include writing the two individual fields instead of just using delete. It would have helped with my needs more. I am working on a project with 20 fields in my input, but needing to write only 15 fields from the original file, and add two new fields to my 17 field output file.
Thanks for being so clear. Learning by yourself can be like decyphering hierogrypics
You covered very well through explaining simple way. Thank you very much
Corey, you are the best. Thank you.
very good, not only do you explain it very well, you explain each part of what you are doing and why. all in all a very good tutorial.
Awesome, thank you corey!
Thank you for the tutorial.Helped me a lot in my miniproject.
Thanks Corey. Very Helpful! Cheers!
Thank you SOOOO Much, even after 6 years this tutorial is so useful. my college professor just told use to do this with an article attachment and it's an intro class so I couldn't understand a single thing on there. THANK YOU FOR THE VIDEO TUTORIAL❣
Super useful! Thanks dude!
Better than my professor! Thank you.
This is the best tutorial the I never found! Thanks so much!
Absolutely, fantastic video and simple to understand it. Many thanks for your time and efforts
Great tutorial - thank you! Subscribed
Thanks for the wonderful explanation ❤💫💪🏼
You are very thorough in your explanations. I've subbed and I hope you keep this up!
SO helpful, thank you!!
Short and down to the point.You Sir you're a God Sent.
Nice explanation, Thanks!
Hey thanks for posting this, I'm very new to Python (and watched a lot of your other tutorials). I'm a meteorologist that works with instrumentation datasets so i live and breathe HUGE csv files lol Hoping to use this method tutoring a local HS student for his project. Thx again and cheers from Maryland!
You are an awesome tutor!
Hello Mr Corey ! Thanks for this incredible content!
Thank you very much Sir for creating such an easy to understand tutorial about reading writing csv file.
just what i needed for my problom set thanks bro .
This is fantastic, no lies. Thank you very much
Amazing explanation.
Great stuff as always - Thank you:)
Thank you so much for such a wonder full series!
Amazing video man , thank you so much
Thank you so much for these amazing videos.
I have never seen a negative comment on your videos. You are helping me get through this coding boot camp like you'll never believe. Thanks, Mr. Corey.
@okayest_pianist
3 ай бұрын
how'd the bootcamp go bruh
@mediumshrimp9696
3 ай бұрын
@okayest_pianist For me it was worth it. My class size was 17 or 19 and only two didn't get jobs right before/after graduation. Several of my classmates are going to college either while online/in person to get degrees. It is hard, our starting class size was 28. In my opinion, it's the way to go.
@okayest_pianist
3 ай бұрын
@@mediumshrimp9696 love to hear it brother. glhf
@atienograce2520
3 ай бұрын
I’ll be joining a data analytics bootcamp this September and this comment gave me hope.Yes,it won’t be all rosy but it will be worth it!Thank you!
sick tutorial man thank you
man you are a very good python presenter, keep up the great work and vids.
Hello Corey, I just discovered your channel today and it is awesome. Funny that you cover all the topics I am interested in (Python, SQL, Pandas, MatPlotlib etc). For people like me who never even came close to going to college/university this is awesome. One topic I would really like to see would be a tutorial on (if at all possible) automating the process of extracting tabular data from PDF's using Python and convert them into useful Excel files (something I need to do on a daily basis at work). Awesome channel, keep it up!
exactly what i want,Thanks !!
Thank you so much for the sucint tutorial. This precisely what I needed!
Very helpful videos, keep up the good work!!!!!
Thank you so much for this video!
awesome, my first CSV read\write tutorial! thank you sir! -------------------------
Thank you so much I needed this
For anyone getting spaces between lines using writerow method ( using python 3 ), you need to add newline=' ' inside open like this, open('file.csv', 'w',newline=' ') as ... : (the second with open iteration)
@abbasali9730
3 жыл бұрын
thanks man
@jakubb2066
11 ай бұрын
thx
concise and clear! thx so much
YOU ARE GOD OF PYTHON
Awesome video, I very easy to understand! Thank you for the awesome video!
Thank you for this lecture
Your introduction voice is amazing!
Great video, very informative and helpful. You make it really easy to follow and understand
You are Awesome i used thes codes as a mad man .. I loved it
Very well explained
Excellent work Sir, Your teaching style is awesome.
Thank you for the video 😊
really helpful video thank you!!
Nice vid, helped a lot!
Very interesting. Thanks 👍 for sharing.
I can not quite put the finger around it, but your teaching is magical!
Great video, good job!!
Before watching Corey video.. i always hit like..
Highly engaging..Kudos!!
Thank you so much.
U are great Corey Sir ... waiting for Ur 1 million subscribers ❤️
Thank you. This is helpful
This video was worth the viewing I wish I had found this days ago:)
Thank you man i will pass my gcse
Thanks for this video!!!!
I really like this video thank you so much
Great video, thx!
thanks brother
Thank you so much man..