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查询Tags标签： mcase，共有 2条记录-
python 列表推导式,生成器推导式,集合推导式,字典推导式简介
1.列表推导式multiples = [i for i in range(30) if i % 2 is 0]names = [[],[]]multiples = [name for lst in names for name in lst if name.count(e) >= 2] 2.字典推导式mcase = {a: 10, b: 34}mcase_frequency = {mcase[k]: k for k in mcase} 3.集合推导式square…
2021/10/19 17:11:06 人评论 次浏览 -
python 列表推导式,生成器推导式,集合推导式,字典推导式简介
1.列表推导式multiples = [i for i in range(30) if i % 2 is 0]names = [[],[]]multiples = [name for lst in names for name in lst if name.count(e) >= 2] 2.字典推导式mcase = {a: 10, b: 34}mcase_frequency = {mcase[k]: k for k in mcase} 3.集合推导式square…
2021/10/19 17:11:06 人评论 次浏览
