from datetime import datetime
import psutil
process_name = 'aaa.py'
for q in psutil.process_iter():
try:
if q.name() == 'python.exe':
if len(q.cmdline()) > 1 and process_name in q.cmdline()[2]:
print("존재")
except psutil.AccessDenied:
continue
q.cmdline()[인덱스] 가 사용자마다 틀리기때문에 q.cmdline()을 미리 print 찍어보도록 하자