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#!/usr/bin/env python3 import csv def split_into_batches(emails, batch_size=50): batches = [] for i in range(0, len(emails), batch_size): batches.append(emails[i:i+batch_size]) return batches def save_batches(batches, prefix='batch'): for i, batch in enumerate(batches, 1): filename = f'{prefix}_{i}.csv' with open(filename, 'w', newline='') as f: writer = csv.writer(f) writer.writerow(['Email']) for email in batch: writer.writerow([email]) print(f'Created {filename} with {len(batch)} emails') # Read emails with open('emails.csv') as f: emails = [line.strip() for line in f] # Full script in download...