How to write a csv file in python?

# This is tested on Jupytor Notebook.
# Note: Ensure the data frame name is df which is loaded into your python notebook. 

# Importing the packages
import pandas as pd

# Write to file
def write_file(df):       
    df.to_csv('df_results.csv',index = False)

# Calling the method
df = write_file(df)

# This write the results of df into file name df_results.csv

How to read a csv file in python?

# This is tested on Jupytor Notebook.
# Note: Ensure the data frame name is df which is loaded into your python notebook.

# Importing the packages
import pandas as pd

# Read from file
def read_file(file_name):
    df = pd.read_csv(file_name,error_bad_lines=False)
    return df

# Calling the method
df = read_file('df.csv')

# Display first 5 records
df.head()

# Check size of the data frame
df.shape

Write a Python method to read from csv file.

# This is tested on Jupytor Notebook.
# Note: Ensure the file name is 'df.csv' which is loaded to your present directory.

# Importing the packages
import os
import pandas as pd

# Read from file
def read_file(file_name): 
    df = pd.read_csv(file_name,error_bad_lines=False)
    return df

# Calling the method
df = read_file('df.csv')

# Display first 5 records
df.head()

# Check size of the data frame
df.shape