vc rand in python

rndseed = 0

def vc_srand(x):
    global rndseed
    rndseed = x
    
def vc_rand():
    global rndseed
    rndseed = (rndseed * 214013 + 2531011) & 0xffffffff
    return (rndseed >> 16) & 0x7fff;

vc_srand(0x4b4)

for i in range(0, 25):
    print(hex(vc_rand()))

def charShift(s, shift):
    ret=''
    b = bytearray()
    b.extend(s)    
    for index in range(len(b)):
        ret+= chr( ((b[index] + shift) % 256 ))
    return ret