Snippet to disassemble single line code string

dis.py

# Taken from: http://stackoverflow.com/questions/13270888/why-is-startswith-slower-than-slicing

import dis
dis_it = lambda x: dis.dis(compile(x, '<none>', 'eval'))

#x = range(1000)
#>>> dis_it('x[::-1]')
  #1           0 LOAD_NAME                0 (x)
              #3 LOAD_CONST               0 (None)
              #6 LOAD_CONST               0 (None)
              #9 LOAD_CONST               1 (-1)
             #12 BUILD_SLICE              3
             #15 BINARY_SUBSCR
             #16 RETURN_VALUE
#>>> dis_it('reversed(x)')
  #1           0 LOAD_NAME                0 (reversed)
              #3 LOAD_NAME                1 (x)
              #6 CALL_FUNCTION            1
              #9 RETURN_VALUE