lhsfcboy

#!pip install functools 
from functools import partial
import numpy
from matplotlib import pyplot

# Define a PDF
x_samples = numpy.arange(-3, 3.01, 0.01)
PDF = numpy.empty(x_samples.shape)
PDF[x_samples < 0] = numpy.round(x_samples[x_samples < 0] + 3.5) / 3
PDF[x_samples >= 0] = 0.5 * numpy.cos(numpy.pi * x_samples[x_samples >= 0]) + 0.5

lhsfcboy

"""最小公倍数与最大公约数"""

def gcd(*numbers):
    """Return the greatest common divisor of the given integers"""
    from fractions import gcd
    return reduce(gcd, numbers)

def lcm(*numbers):
    """Return lowest common multiple."""    
    def lcm(a, b):