import os
lines = list([i.strip() for i in open('users_base.txt').readlines()])
result = []
_exc = ['# 1', '# 2', '# 3', '# 4', '# 5', '# 6', '# 7', '# 8', '# 9', '# 10', '# 11', '# 12', '# 13', '# 14', '# 15',
        '# 16', '# 17', '# 18', '# 19', '# Web', '# Java', '# iOS', '# Excel']

for r in range(1, len(lines)):
    l = lines[-int(r)]
    if l not in result or l in _exc:
        result.append(l)


f = open('users_base.txt', 'w')
result.reverse()
for line in result:
    line += '\n'
    if line in _exc:
        line += '\r'
    f.write(line)
f.close()