# Python program to explain os.setgroups() method 
  
# importing os module 
import os
  
# Get the list of supplemental
# group IDs associated with
# the current process 
# using os.getgroups() method
sgid = os.getgroups()
  
# Print the list
print("Supplemental group IDs associated with the current process:")
print(sgid)
  
new_sgid = [ 20, 30, 40, 50]
  
# Set the list of supplemental 
# group IDs for the current process
# using os.setgroups() method 
os.setgroups(new_sgid) 
  
  
# Get the list of supplemental
# group IDs associated with
# the current process
sgid = os.getgroups()
  
# Print the list
print("New supplemental group IDs associated with the current process:")
print(sgid)

Supplemental group IDs associated with the current process:
[0]
New supplemental group IDs associated with the current process:
[20, 30, 40, 50]