python list转dict示例分享

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

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’}

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

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’}

转载请注明：seo-网站优化-网站建设 » python list转dict示例分享

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