python生成隨機數、隨機字串

古來聖賢皆寂寞發表於2018-12-18

 

python生成隨機數、隨機字串

import random
import string

# 隨機整數:
print random.randint(1,50)

# 隨機選取0到100間的偶數:
print random.randrange(0, 101, 2)

# 隨機浮點數:
print random.random()
print random.uniform(1, 10)

# 隨機字元:
print random.choice('abcdefghijklmnopqrstuvwxyz!@#$%^&*()')

# 多個字元中生成指定數量的隨機字元:
print random.sample('zyxwvutsrqponmlkjihgfedcba',5)

# 從a-zA-Z0-9生成指定數量的隨機字元:
ran_str = ''.join(random.sample(string.ascii_letters + string.digits, 8))
print ran_str

# 多個字元中選取指定數量的字元組成新字串:
prin ''.join(random.sample(['z','y','x','w','v','u','t','s','r','q','p','o','n','m','l','k','j','i','h','g','f','e','d','c','b','a'], 5))

# 隨機選取字串:
print random.choice(['剪刀', '石頭', '布'])

# 打亂排序
items = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
print random.shuffle(items)

 

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