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                [TOC] >[success] # 隨機事件處理列表 ~~~ 1.當我們想隨機處理,拿出列表中的某個值或者某幾個值的時候 2.引入random 包 3.choice中文選擇的意思,返回的是單個值 4.sample中文樣本的意思,返回的是列表 5.shuffle中文是洗牌的意思,沒有返回值,直接對列表本身處理 ~~~ >[danger] ##### 隨機取出列表的值-choice() ~~~ import random a = [2, 3, 4, 5, 8] random_a = random.choice(a) print(random_a) 打印結果隨機本次是: 8 ~~~ >[danger] ##### 隨機取出列表中某幾個值-sample() ~~~ import random a = [2, 3, 4, 5, 8] random_a = random.sample(a,2) print(random_a) 打印結果隨機本次結果: [5, 8] ~~~ >[danger] ##### 因為列表是有序,打亂使用-shuffle() ~~~ import random a = [2, 3, 4, 5, 8] random.shuffle(a) print(a) 打印結果隨機本次結果: [4, 8, 3, 5, 2] ~~~ >[danger] ##### 只想產生隨機數 randint/random ~~~ 1.隨機數都是偽隨機,通過改變隨機種子來改變隨機數 2.例如 : random.seed(5) 更改隨機種子 ~~~ * 隨機整數 ~~~ # 顧頭不顧腚 import random a= random.randint(0,1) print(a) ~~~ * 隨機 0-1的浮點數 ~~~ import random a= random.random() print(a) ~~~
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