Python Random

import random

print(random.randrange(100))
print(random.randrange(10, 100))
print(random.randrange(10, 100, 10))
print(random.randint(10, 100))
print(random.choice((1, 5, 10, 11, 4, 100)))
print(random.choice('abcewqe12323dasd'))
print(random.random())
print(random.uniform(10, 100))
print(random.gammavariate(10, 100))

參考資料：
http://docs.python.org/3/library/random.html