import psutil

def checkIfProcessRunning(processName):

for proc in psutil.process_iter():
    try:
        if processName.lower() in proc.name().lower():
            return True
    except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
        pass
return False;

if checkIfProcessRunning('discord'):
  print('Discord is running')
else:
  print('Discord is NOT running')