how to save a dataframe to csv in pandas code example

Example 1: code how pandas save csv file

df.to_csv('out.csv')

Example 2: convert csv to pandas dataframe

import pandas as pd
df = pd.read_csv("sample_data.csv")

# .csv file format
column1,column2
1,2
3,4
5,6

# pandas dataframe
   column1  column2
0        1        2
1        3        4
2        5        6