“Erstellen Sie CSV Python” Code-Antworten

CSV Python schreiben

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

Importieren Sie die CSV -Datei in Python

import pandas as pd

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

Erstellen Sie CSV Python

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

Python CSV -Leser

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

Crer CSV Python

#!/usr/bin/env python
# -*-coding: utf-8 -*

entetes = [
     u'Colonne1',
     u'Colonne2',
     u'Colonne3',
     u'Colonne4',
     u'Colonne5'
]

valeurs = [
     [u'Valeur1', u'Valeur2', u'Valeur3', u'Valeur4', u'Valeur5'],
     [u'Valeur6', u'Valeur7', u'Valeur8', u'Valeur9', u'Valeur10'],
     [u'Valeur11', u'Valeur12', u'Valeur13', u'Valeur14', u'Valeur15']
]

f = open('monFichier.csv', 'w')
ligneEntete = ";".join(entetes) + "\n"
f.write(ligneEntete)
for valeur in valeurs:
     ligne = ";".join(valeur) + "\n"
     f.write(ligne)

f.close()
Silly Squirrel

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