21 lines
566 B
Python
21 lines
566 B
Python
import sys
|
|
import re
|
|
|
|
def write_answer(answer):
|
|
with open(output_file, 'a') as file:
|
|
file.write(answer+'\n')
|
|
|
|
|
|
input_file = 'test.in'
|
|
output_file = 'test.out'
|
|
# input_file = sys.argv[1]
|
|
# output_file = sys.argv[2]
|
|
pattern = re.compile(r'^[1-9a-fA-F][0-9a-fA-F]*$')
|
|
with open(output_file, 'w') as readed_output_file:
|
|
with open(input_file, 'r') as readed_input_file:
|
|
for row_input_file in readed_input_file:
|
|
if pattern.search(row_input_file):
|
|
write_answer('yes')
|
|
else:
|
|
write_answer('no')
|