You mean like these ones?
if not md5_c == clean_c:
print 'Warning, Modified Client jar detected'
print 'Continuing with decompile may produce unpredictable results'
print 'If you continue, do not come to the FML or Forge team with decompile issues.'
answer = raw_input('If you really want to continue, enter "Yes" ')
if answer.lower() not in ['yes', 'y']:
print 'You have not entered "Yes", aborting the decompile process'
sys.exit(1)
if not md5_s == clean_s:
print 'Warning, Modified Server jar detected'
print 'Continuing with decompile may produce unpredictable results'
print 'If you continue, do not come to the FML or Forge team with decompile issues.'
answer = raw_input('If you really want to continue, enter "Yes" ')
if answer.lower() not in ['yes', 'y']:
print 'You have not entered "Yes", aborting the decompile process'
sys.exit(1)
Yaya, I added them in for a reason.