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Python: Read a given CSV file having tab delimiter

Python CSV File Reading and Writing: Exercise-2 with Solution

Write a Python program to read a given CSV file having tab delimiter.

Sample Solution:

Python Code :

import csv
with open('countries.csv', newline='') as csvfile:
 data = csv.reader(csvfile, delimiter = '\t')
 for row in data:
   print(', '.join(row))

countries.csv

country_id country_name region_id
AR Argentina 2
AU Australia 3
BE Belgium 1
BR Brazil 2
CA Canada 2
CH Switzerland 1
CN China 3
DE Germany 1
DK Denmark 1
EG Egypt 4
FR France 1
HK HongKong 3
IL Israel 4
IN India 3
IT Italy 1
JP Japan 3
KW Kuwait 4
MX Mexico 2
NG Nigeria 4
N Netherlands 1
SG Singapore 3
UK United Kingdom 1
US United States of America 2
ZM Zambia 4
ZW Zimbabwe 4

Sample Output:

country_id country_name region_id
AR Argentina 2
AU Australia 3
BE Belgium 1
BR Brazil 2
CA Canada 2
CH Switzerland 1
CN China 3
DE Germany 1
DK Denmark 1
EG Egypt 4
FR France 1
HK HongKong 3
IL Israel 4
IN India 3
IT Italy 1
JP Japan 3
KW Kuwait 4
MX Mexico 2
NG Nigeria 4
N Netherlands 1
SG Singapore 3
UK United Kingdom 1
US United States of America 2
ZM Zambia 4
ZW Zimbabwe 4

Python Code Editor:


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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m