“écrivain CSV Python” Réponses codées

CSV Python écrivez

import csv

with open('names.csv', 'w') as csvfile:
    fieldnames = ['first_name', 'last_name']
    writer = csv.DictWriter(csvfile, fieldnames=fieldnames)

    writer.writeheader()
    writer.writerow({'first_name': 'Baked', 'last_name': 'Beans'})
    writer.writerow({'first_name': 'Lovely', 'last_name': 'Spam'})
    writer.writerow({'first_name': 'Wonderful', 'last_name': 'Spam'})
Arrogant Addax

Importer un fichier CSV dans Python

import pandas as pd

df = pd.read_csv (r'Path where the CSV file is stored\File name.csv')
print (df)
Yawning Yacare

Python écrivant dans le fichier CSV

import csv  

header = ['name', 'area', 'country_code2', 'country_code3']
data = ['Afghanistan', 652090, 'AF', 'AFG']

with open('countries.csv', 'w', encoding='UTF8') as f:
    writer = csv.writer(f)

    # write the header
    writer.writerow(header)

    # write the data
    writer.writerow(data)
Colorful Copperhead

lecteur Python CSV

with open(r'c:\dl\FrameRecentSessions.csv') as csv_file:
    csv_reader = csv.reader(csv_file, delimiter=',')
    line_count = 0
    for row in csv_reader:
        if line_count == 0:
            print(f'Column names are {", ".join(row)}')
            line_count += 1
        else:
            print(f'\t{row[0]} works in the {row[1]} department, and was born in {row[2]}.')
            line_count += 1
    print(f'Processed {line_count} lines.')
riffrazor

écrivain CSV Python

import csv

# csv header
fieldnames = ['name', 'area', 'country_code2', 'country_code3']

# csv data
rows = [
    {'name': 'Albania',
    'area': 28748,
    'country_code2': 'AL',
    'country_code3': 'ALB'},
    {'name': 'Algeria',
    'area': 2381741,
    'country_code2': 'DZ',
    'country_code3': 'DZA'},
    {'name': 'American Samoa',
    'area': 199,
    'country_code2': 'AS',
    'country_code3': 'ASM'}
]

with open('countries.csv', 'w', encoding='UTF8', newline='') as f:
    writer = csv.DictWriter(f, fieldnames=fieldnames)
    writer.writeheader()
    writer.writerows(rows)
Code language: PHP (php)
Powerful Partridge

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