python中随机函数random用法实例

#! python
# random
import random
print random.choice(['apple', 'pear', 'banana'])
#从数组中随机选择一个元素
print random.sample(xrange(100), 10)
# sampling without replacement
print random.random()
# random float
print random.randrange(6)
# random integer chosen from range(6)