[Python] 跳過前幾行快速讀取文件內容：islice

 

from itertools import islice
start = 1  #　跳過第一行idx=0，從idx=1開始讀取文件
with codecs.open('data.json', encoding='utf-8') as fr:    
    for idx, line in enumerate(islice(fr, start, None)):
        print idx, line