集合
| """
集合：里面的内容不允许重复哦
""" """ 元组 (1, 2, 3) <class 'tuple'> """ a = (1, 2, 3)
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print(a) print(type(a)) """ 列表 [1, 2, 3] <class 'list'> """ b = [1, 2, 3] print(b) print(type(b))
""" 集合 {1, 2, 3} <class 'set'> """ c = {1, 2, 3} print(c) print(type(c)) """ 举例将列表去重 """ """法一""" d = [1, 1, 2, 2, 3, 4] c = [] for num in d: if num not in c: c.append(num) print(c) # [1, 2, 3, 4] """法二采用集合去重复""" e = list(set(d)) print(e) # [1, 2, 3, 4] set(d) 将列表转为集合,list()将集合转为列表 |
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