read csv in python as dataframe code example

Example 1: how to write csv from a dataframe pythin

df.to_csv('file_name.csv')

Example 2: how to read csv file online into pandas

import pandas as pd
import io
import requests
url="https://raw.githubusercontent.com/cs109/2014_data/master/countries.csv"
s=requests.get(url).content
c=pd.read_csv(io.StringIO(s.decode('utf-8')))