#day集合知识点总汇 set1 = set({1,2,3}) set2 = {1,2,3,4,5} # set1.add("李明俊") # set1.update("abc") # # set1.pop() # set1.remove('a') # set1.clear() # del set1 for i in set2: print(i,type(i)) # 交集 print(set2 & set1) # 并集 print(set2 | set1) # 返回集 print(set2 ^ set1) # 差集 print(set2 - set1) # 子集与超集 print(set2 > set1) print(set1 < set2)
2019.11.3集合知识点回顾
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