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                >[success] # 對列表進行排列組合 ~~~ 1.permutations 進行排列組合,第一個是排列組合對象,第二個是參與元素數量 2. combinations 無關順序的 只關心形成數據,兩個參數都給填寫 ~~~ >[danger] ##### 進行排列 組合 --- permutations ~~~ from itertools import permutations item = ['a', 'b', 'c'] for i in permutations(item): print(i) item = ['a', 'b', 'c'] for i in permutations(item,2): print(i) 打印結果: ('a', 'b', 'c') ('a', 'c', 'b') ('b', 'a', 'c') ('b', 'c', 'a') ('c', 'a', 'b') ('c', 'b', 'a') ('a', 'b') ('a', 'c') ('b', 'a') ('b', 'c') ('c', 'a') ('c', 'b') ~~~ >[danger] ##### 無關順序的 --- combinations ~~~ from itertools import combinations item = ['a', 'b', 'c'] for i in combinations(item,3): print(i) 打印結果: ('a', 'b', 'c') ~~~
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