Csv in python

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 csv reader

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.')

How to open csv file in python

import csv

with open('example.csv') as csvfile:
    readCSV = csv.reader(csvfile, delimiter=',')

How to open csv file in python

import pandas as pd # pip install pandas

#read the CSV file
data_file = =pd.read_csv('some_file.csv')
print(data_file)

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

Csv in python

import csv
csv.register_dialect('unixpwd', delimiter=':', quoting=csv.QUOTE_NONE)
with open('passwd', newline='') as f:
    reader = csv.reader(f, 'unixpwd')

Source: docs.python.org

Similar codes

107 votes152 views6 answers
Python split
Python
0 vote184 views1 answer
Micropython string to int
Python
0 vote205 views3 answers
Module 'tensorflow' has no attribute 'reset_default_graph'
Python
0 vote174 views1 answer
Geopandas españa map
Python
0 vote154 views2 answers
E unable to locate package python-pip ubuntu 20.04
Python
0 vote139 views8 answers
Empaquetado y manejo dependencias en python
Python
1 vote160 views1 answer
The name tf.train.Optimizer is deprecated. Please use tf.compat.v1.train.Optimizer instead.
Python
1 vote163 views2 answers
Subprocess.check_output python
Python
0 vote216 views1 answer
Insurance= contract.x_studio_social_security_basic salary of ins = 1500 result = contract.x_studio_social_security_basic_salary*100
Python
191 votes254 views6 answers
Pip upgrade python
Python