in tasks/count-or-mem/generate_data.py [0:0]
def put_test(root, length_from, length_to):
with open(f'{root}/test.src', 'w') as test_src, open(f'{root}/test.dst', 'w') as test_dst:
for length in range(length_from, length_to):
test_input = ' '.join(['a'] * length)
print(test_input, file=test_src)
test_output = '' # test output is never used
print(test_output, file=test_dst)
shutil.copy(f'{root}/test.src', f'{root}/valid.src')
shutil.copy(f'{root}/test.dst', f'{root}/valid.dst')