serialWrite.py

import serial

ser = serial.Serial(
        port = "/dev/ttyUSB0",
        baudrate = 115200,
        timeout = 10,
        xonxoff = False
)

val = 0
command = ''
command = input("Enter command: ")
command += str('\n')
val = ser.write(command.encode(encoding = 'ascii', errors = 'strict'))
print('Byres written: ', val)