enumerate(sequence, [start=0])
将 enumerate(枚举)对象 存在一个list中返回:
seq = ['Spring', 'Summer', 'Fall', 'Winter']
print list(enumerate(seq))
[(0, 'Spring'), (1, 'Summer'), (2, 'Fall'), (3, 'Winter')]
循环读取 enumerate(枚举)对象:
seq = ['Spring', 'Summer', 'Fall', 'Winter']
for i, element in enumerate(seq):
print i, element
0 Spring
1 Summer
2 Fall
3 Winter