python list转dict示例分享
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2022-07-17 11:08:13
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:...
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'}