
How to read CSV file in Python? - Stack Overflow
May 15, 2016 · def read_csv(csv_file): data = [] with open(csv_file, 'r') as f: # create a list of rows in the CSV file rows = f.readlines() # strip white-space and newlines rows = list(map(lambda …
python - Import CSV file as a Pandas DataFrame - Stack Overflow
To read a CSV file as a pandas DataFrame, you'll need to use pd.read_csv, which has sep=',' as the default.. But this isn't where the story ends; data exists in many different formats and is …
python - Read specific columns from a csv file with csv module?
May 30, 2015 · Pandas is spectacular for dealing with csv files, and the following code would be all you need to read a csv and save an entire column into a variable: import pandas as pd df = …
Reading rows from a CSV file in Python - Stack Overflow
Nov 17, 2012 · I have a CSV file, here is a sample of what it looks like: Year: Dec: Jan: 1 50 60 2 25 50 3 30 30 4 40 20 5 10 10 I know how to read the file in and print each
How to read one single line of csv data in Python?
@MahsanNourani The file pointer can be moved to anywhere in the file, file.seek(0) will move it back to the start for example and then you can re-read from start. You'll have to keep the file …
python - Reading a huge .csv file - Stack Overflow
I'm currently trying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb).
Importing csv from a subdirectory in Python - Stack Overflow
Apr 19, 2012 · Another common trap with windows paths is that using backslashes escape characters, so you must escape your backslashes ("some\\file") - an ugly option, use raw …
Why does my Python code print the extra characters "" when …
Dec 21, 2015 · Note that if you're on Python 2, you should see e.g. Python, Encoding output to UTF-8 and Convert UTF-8 with BOM to UTF-8 with no BOM in Python. You'll need to do some …
How to read a csv file from an s3 bucket using Pandas in Python
Jun 13, 2015 · def read_file(bucket_name,region, remote_file_name, aws_access_key_id, aws_secret_access_key): # reads a csv from AWS # first you stablish connection with your …
python - How to import a csv-file into a data array ... - Stack …
Oct 7, 2017 · You can use pandas library or numpy to read the CSV file. If your file is tab-separated then use '\t' in place of comma in both sep and delimiter arguments below. import …