Answers for "how to create dataframe and import csv into it python"

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')))

read a csv file in pandas

you should be in the same dir as .py file 

df = pd.read_csv('your_file_name.csv')