# random各种使用方法 import random # 随机生成[0.1)的浮点数 print("random():", random.random()) # 随机生成1000-9999之间的整数 print("randint(1000, 9999):", random.randint(1000, 9999)) # 随机生成0-20之间的偶数 print("randrange(0, 21, 2):", random.randrange(0, 21, 2)) # 随机生成0-20之间的浮点数 print("uniform(0, 20):", random.uniform(0, 20)) # 从序列中随机选择一个元素 list_string = [‘a‘, ‘b‘, ‘c‘, ‘d‘, ‘e‘] print("choice(list):", random.choice(list_string)) print("choice(string):", random.choice(‘abcd‘)) # 对列表元素随机排序 list_number = [1, 2, 3, 4, 5] random.shuffle(list_number) print("shuffle(list):", list_number) # 从指定序列中随机获取指定长度的片断 print("sample(sequence):", random.sample(‘abcdefg‘, 2))
运行结果:
random(): 0.6708362810735843 randint(1000, 9999): 5228 randrange(0, 21, 2): 6 uniform(0, 20): 12.767906137387294 choice(list): a choice(string): d shuffle(list): [1, 3, 5, 2, 4] sample(sequence): [‘f‘, ‘g‘]
原文:http://www.cnblogs.com/gongxr/p/7257864.html