*文件多列整體去冗余

#coding:utf-8

outfile=open('/linuxdata4/panqi/XXX/filter_0_S_A_E_dup.txt', 'w')
f = open('/linuxdata4/panqi/XXX/filter_0_S_A_E.bed','r') 
lines_seen = set()  # Build an unordered collection of unique elements. 
for line in f:
    line = line.strip('\n')
    if line not in lines_seen:
        outfile.write(line+ '\n')
        lines_seen.add(line)