s3_ordering_test.py

import boto3
from uuid import uuid4
import random

client = boto3.client('s3')

bucket_name = 'my-bucket-name'

categories = ['a', 'b', 'c']

for i in range(50):
    key = str(uuid4())
    category = random.choice(categories)

    client.put_object(Body=str(i).encode(), Bucket=bucket_name, Key=f"{category}/{key}")
    print(f"Inserted {key} for category {category}")

list_response = client.list_objects_v2(
    Bucket=bucket_name,
)

for c in list_response['Contents']:
    print(c['Key'])