Python csv

Csv python write

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'})

Source: docs.python.org

Python read csv

# pip install pandas 
import pandas as pd

# Read the csv file
data = pd.read_csv('data.csv')

# Print it out if you want
print(data)

Import csv file in python

import pandas as pd

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

Source: datatofish.com

Python csv

>>> import csv
>>> with open('names.csv', newline='') as csvfile:
...     reader = csv.DictReader(csvfile)
...     for row in reader:
...         print(row['first_name'], row['last_name'])
...
Eric Idle
John Cleese

>>> print(row)
{'first_name': 'John', 'last_name': 'Cleese'}

Source: docs.python.org

Append to csv python

with open('document.csv','a') as fd:
    fd.write(myCsvRow)

Python csv

>>> import csv
>>> with open('eggs.csv', newline='') as csvfile:
...     spamreader = csv.reader(csvfile, delimiter=' ', quotechar='|')
...     for row in spamreader:
...         print(', '.join(row))
Spam, Spam, Spam, Spam, Spam, Baked Beans
Spam, Lovely Spam, Wonderful Spam

Source: docs.python.org

Similar codes

12 votes149 views4 answers
Dictionary append value python
Python
0 vote161 views1 answer
Python dict keys to string
Python
1 vote157 views1 answer
Python markdown indent
Python
2 votes151 views1 answer
C:\Users\saverma2>notebook 'notebook' is not recognized as an internal or external command, operable program or batch file.
Python
4 votes149 views2 answers
View all columns in pandas dataframe
Python
0 vote159 views2 answers
Python regex words with apostrophe in middle
Python
1 vote198 views2 answers
Cannot import name 'imputer' from 'sklearn.preprocessing'
Python
0 vote153 views1 answer
Python requests cannot find existing url
Python
0 vote208 views1 answer
Pipeline model coefficients
Python
1 vote145 views1 answer
How to take list of float as input in python
Python