# name.txt
david
mary
john
with open('names.txt', 'r') as f:
myNames = [line.strip() for line in f]
# Result
['david','mary','john']
all_sents = ['hey there', 'how are you']
with open('file_name.txt', 'w', encoding='utf-8') as f:
f.write('
'.join(all_sents))