start sequence[0] start+1 sequence[1] start+2 sequence[2]......
import string s = string.ascii_lowercase e = enumerate(s) print s print list(e)
abcdefghij [(0, 'a'), (1, 'b'), (2, 'c'), (3, 'd'), (4, 'e'), (5, 'f'), (6, 'g'), (7, 'h'), (8, 'i'), (9, 'j')]
def xread_line(line):
return((idx,int(val)) for idx, val in enumerate(line) if val != '0')
print read_line('0001110101')
print list(xread_line('0001110101'))
list1 = ["这", "是", "一个", "测试"] for i in range (len(list1)): print i ,list1[i]
list1 = ["这", "是", "一个", "测试"] for index, item in enumerate(list1): print index, item >>> 0 这 1 是 2 一个 3 测试
list1 = ["这", "是", "一个", "测试"] for index, item in enumerate(list1, 1): print index, item >>> 1 这 2 是 3 一个 4 测试
count = len(open(filepath, 'r').readlines())
count = 0 for index, line in enumerate(open(filepath,'r')): count += 1
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