S3 list all files in bucket

import boto3

access_key='your-key'

secret_access='your-key'

region = 'ap-south-1'

s3 = boto3.client('s3', region_name=region, aws_access_key_id=access_key,

                                   aws_secret_access_key=secret_access)

 

for key in s3.list_objects(Bucket='bucketname',Prefix='folder/')['Contents']:

    print(key['Key'])