Problem getting a process' writing/reading bytes and cpu usage in Python 3.8 - process

Question

recently in my school finals project i needed to write a function that return a process' writing and reading bytes as well as it's cpu usage. I have tried using Psutil, tried using WMI (couldn't find a way to recieve the writing and reading bytes through that) and even tried combining them. At the end though i get an access denied error every time on almost all processes by the Psutil. Would love some help in solving this problem.
Edit: using Windows 10
this is the code i currently have:
import wmi
import psutil
from elevate import elevate
elevate()
c = wmi.WMI()
process_watcher = c.Win32_Process.watch_for("creation")
while True:
new_process = process_watcher()
pid = new_process.Processid
name = new_process.Caption
try:
curr_process = psutil.Process(pid=pid)
try:
# get the number of CPU cores that can execute this process
cores = len(curr_process.cpu_affinity())
except psutil.AccessDenied:
cores = 0
# get the CPU usage percentage
cpu_usage = curr_process.cpu_percent()
try:
# get the memory usage in bytes
memory_usage = curr_process.memory_full_info().uss
except psutil.AccessDenied:
memory_usage = 0
# total process read and written bytes
io_counters = curr_process.io_counters()
read_bytes = io_counters.read_bytes
write_bytes = io_counters.write_bytes
print(pid + ": " + name + ", Write bytes: " + write_bytes + ", cpu usage: "+ cpu_usage)
except:
print("Access Denied")