>>> 
>>> lines = 876
>>> if lines < 1000:
	print('small')
	elif lines < 10000:
		
SyntaxError: invalid syntax (<pyshell#11>, line 3)
>>>

>>> if 1 > 2:
...   print 'a'
... elif 1 < 3:
...   print 'b'
...
b
>>>

lines = 876
if lines < 1000:
    print('small')
elif lines < 10000: