def a():

    print "A"

    return []

def b():

    print "B"

    return []

def c():

    print "C"

    return 1

def d():

    print "D"

    return[]

def e():

    print "E"

    return 1

def f():

    print"F"

    return 1

def g():

    print "G"

    return []

def h():

    print "H"

    return 1

if a() and b() and c() and d() or e() and f() and g() or h():

    print "OK"

为什么返回是的A E F G H OK

而不是 A E F H OK