data = open(‘a.txt‘)
fh = open(‘b.txt‘, ‘w‘)
"""Search the string begining with ‘【‘"""
p = re.compile(r‘\s*[\u3010]‘)for each_d in data:
if re.match(‘\s*3\d{4}‘, each_d):
each_d = each_d.strip()
print(each_d + ‘: ‘, end=‘‘)
elif p.match(each_d):
print(each_d, end=‘‘)