def encode_varint(number):
    encoded_bytes = []
    while True:
        byte = number & 0x7F
        number >>= 7
        if number:
            byte |= 0x80
        encoded_bytes.append(byte)
        if not number:
            break
    return bytes(encoded_bytes)

def create_length_delimited_field(field_number, inner_value):
    field_header = (field_number << 3) | 2
    encoded_inner = encode_varint(inner_value)
    return encode_varint(field_header) + encode_varint(len(encoded_inner)) + encoded_inner

fields = {1: 55555555}

packet = create_length_delimited_field(1, fields[1])
print(packet.hex())