math?模塊為浮點運算提供了對底層C函數庫的訪問: ~~~ >>> import math >>> math.cos(math.pi / 4.0) 0.70710678118654757 >>> math.log(1024, 2) 10.0 ~~~ random?提供了生成隨機數的工具: ~~~ >>> import random >>> random.choice(['apple', 'pear', 'banana']) 'apple' >>> random.sample(xrange(100), 10) # sampling without replacement [30, 83, 16, 4, 8, 81, 41, 50, 18, 33] >>> random.random() # random float 0.17970987693706186 >>> random.randrange(6) # random integer chosen from range(6) 4 ~~~ SciPy 項目提供了許多數值計算的模塊。