import pandas as pd
import boto3
bucket = "yourbucket"
file_name = "your_file.csv"
s3 = boto3.client('s3')
# 's3' is a key word. create connection to S3 using default config and all buckets within S3
obj = s3.get_object(Bucket= bucket, Key= file_name)
# get object and file (key) from bucket
initial_df = pd.read_csv(obj['Body']) # 'Body' is a key word