- #!/usr/bin/env python3.0
- import codecs
- filein = 'heads_of_state.txt'
- fileout = 'mdb.txt'
- setHeads = set()
- for line in codecs.open(filein, 'r', 'utf-8'):
- setHeads.add(line.strip())
- liHeads = sorted(setHeads, key=lambda a: (len(a), a))
- liHeads = filter(lambda a: len(a) > 4, liHeads)
- codecs.open(fileout, 'w', 'utf-8').write("\n".join(liHeads))