filter函数

mv = ['sb_alex','wupeiq_sb','liuhaiquan','sb_yuanhao']
def pd(n):
    return n.startswith('sb')

def jj(func,ary):
    d = []
    for i in mv:
        if func(i):
            d.append(i)
    return d
a = jj(pd,mv)
print(a)

终极版本

filter函数
mv = ['sb_alex','wupeiq_sb','liuhaiquan','sb_yuanhao']
a = filter(lambda n:n.startswith('sb'),mv)
print(a)