start-python/mail-merge/main.py

PLACEHOLDER = "[name]"

with open("Input/Names/invited_names.txt") as names_file:
    names = names_file.readlines()

with open("Input/Letters/starting_letter.txt") as letter_file:
    letter_text = letter_file.read()

for name in names:
    striped_name = name.strip()
    new_letter = letter_text.replace(PLACEHOLDER, striped_name)
    with open(f"Output/ReadyToSend/letter_to_{striped_name.lower()}.txt", "w") as output_letter:
        output_letter.write(new_letter)