[Python] Python shared memory, how can I put the random integer into the shared memory block?

I created a memory block with a Byte size of 10 and wanted to create a random number and put it into the Memory block but it always just gives me error messages so I wonder if I am doing it wrong.

from multiprocessing import shared_memory
import random

shared_mem_1 = shared_memory.SharedMemory(create=True, size=10)
num = (random.sample(range(1, 1000), 10))
for i, c in enumerate(num):
shared_mem_1.buf = c


The error-message:

Traceback (most recent call last):
File "main.py", line 7, in <module> shared_mem_1.buf = c
ValueError: memoryview: invalid value for format 'B'

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