标签:span art inter class for循环 div bsp seq style
语法:
enumerate()方法的语法:
enumerate(sequence, [start=0])
参数:
sequence:一个序列,迭代器或其他支持迭代对象
start:下标起始位置
返回值:
返回enumerate(枚举)对象
实例:
>>>seasons = [‘Spring‘, ‘Summer‘, ‘Fall‘, ‘Winter‘] >>>list(enumerate(seasons)) [(0, ‘Spring‘), (1, ‘Summer‘), (2, ‘Fall‘), (3, ‘Winter‘)] >>>list(enumerste(seasons, start=1)) [(1, ‘Spring‘), (2, ‘Summer‘), (3, ‘Fall‘), (4, ‘Winter‘)]
普通for循环:
>>>seq = [‘one‘, ‘two‘, ‘three‘] >>>for i, element in enumerate(seq): print(i, seq[i]) 0 one 1 two 2 three
标签:span art inter class for循环 div bsp seq style
原文地址:http://www.cnblogs.com/keye/p/7751228.html