需求：[\’1:a\’,\’2:b\’,\’3:c\’] 转换为 {\’1′: \’a\’,\’3′: \’c\’,\’2′: \’\’}

复制代码 代码如下:
a = {}
b = [\’1:a\’,\’2:b\’,\’3:c\’]
map(lambda x:a.setdefault(x.split(\’:\’)[0], x.split(\’:\’)[1]), b)
print a
{\’1\’: \’a\’, \’3\’: \’c\’, \’2\’: \’b\’}