Trying what I think is OS and Python3

ERROR:

Traceback (most recent call last):
  File "/home/debian/Ball_Screw/./first_try.py", line 50, in <module>
    GPIO.value  = 1
  File "/home/debian/Ball_Screw/./first_try.py", line 37, in value
    self._f.write((b'0',b'1')[value])
PermissionError: [Errno 1] Operation not permitted

Source:

#!/usr/bin/python3

# I think this is from @zmatt, i.e. circa '22.
# I, Seth, have changed some of it...
# Now, it is broken. I am slowly fixing it!

import os
from time import sleep
from pathlib import Path

class Gpio:
    def __init__(self, gpio, rw=None):
        if type(gpio) is int:
            # gpio number
            self.path = 'gpio31' + str(gpio)
            self.path = 'gpio48' + str(gpio1)
            self.path = 'gpio51' + str(gpio2)
        else:
            # gpio name or path
            self.path = os.path.join('/sys/class/gpio', gpio)

        if rw is not None and type(rw) is not bool:
            raise TypeError()

        if rw:
            self._f = open(self.path + '/value', 'r+b', buffering=0)
        else:
            self._f = open(self.path + '/value', 'rb', buffering=0)
        self.rw = rw

    @property
    def value(self):
        return (b'0', b'1').index(os.pread(self._f.fileno(), 1, 0))

    @value.setter
    def value(self, value):
        if self.rw is None:
            self._f = open(self.path + '/value', 'r+b', buffering=0)
            self.rw = True

        self._f.write((b'0',b'1')[value])

## example:

try:
    while True:
        # my_input = Gpio('P9_14')
        GPIO  = Gpio('gpio31')
        GPIO1 = Gpio('gpio48')
        GPIO2 = Gpio('gpio51')

#print( my_input.value )

        GPIO.value  = 1
        GPIO1.value = 1
        GPIO2.value = 1
        sleep(1)

        GPIO.value  = 1
        GPIO1.value = 0
        GPIO2.value = 1
        sleep(1)

        print("First Value: \n".format(GPIO.value), "Second Value: \n".format(GPIO1.value),
             ("Third Value: \n".format.GPIO2.value))
except KeyboardInterrupt:
    print("Trying to Care for the Behemoth!", Interruptions)