chain.py

import dis


def f():
  False is False is False
  
  
def f2():
  1 <= 1 <= 1
  

print(dis.dis(f))
#              0 LOAD_GLOBAL              0 (False)
#              3 LOAD_GLOBAL              0 (False)
#              6 DUP_TOP
#              7 ROT_THREE
#              8 COMPARE_OP               8 (is)
#             11 JUMP_IF_FALSE_OR_POP    23
#             14 LOAD_GLOBAL              0 (False)
#             17 COMPARE_OP               8 (is)
#             20 JUMP_FORWARD             2 (to 25)
#        >>   23 ROT_TWO
#             24 POP_TOP
#        >>   25 POP_TOP
#             26 LOAD_CONST               0 (None)
#             29 RETURN_VALUE

print(dis.dis(f2))
#              0 LOAD_CONST               1 (1)
#              3 LOAD_CONST               1 (1)
#              6 DUP_TOP
#              7 ROT_THREE
#              8 COMPARE_OP               1 (<=)
#             11 JUMP_IF_FALSE_OR_POP    23
#             14 LOAD_CONST               1 (1)
#             17 COMPARE_OP               1 (<=)
#             20 JUMP_FORWARD             2 (to 25)
#        >>   23 ROT_TWO
#             24 POP_TOP
#        >>   25 POP_TOP
#             26 LOAD_CONST               0 (None)
#             29 RETURN_VALUE