1           0 LOAD_CONST               0 (4)
              2 LOAD_CONST               1 (54)
              4 LOAD_CONST               2 (41)
              6 LOAD_CONST               3 (0)
              8 LOAD_CONST               4 (112)
             10 LOAD_CONST               5 (32)
             12 LOAD_CONST               6 (25)
             14 LOAD_CONST               7 (49)
             16 LOAD_CONST               8 (33)
             18 LOAD_CONST               9 (3)
             20 LOAD_CONST               3 (0)
             22 LOAD_CONST               3 (0)
             24 LOAD_CONST              10 (57)
             26 LOAD_CONST               5 (32)
             28 LOAD_CONST              11 (108)
             30 LOAD_CONST              12 (23)
             32 LOAD_CONST              13 (48)
             34 LOAD_CONST               0 (4)
             36 LOAD_CONST              14 (9)
             38 LOAD_CONST              15 (70)
             40 LOAD_CONST              16 (7)
             42 LOAD_CONST              17 (110)
             44 LOAD_CONST              18 (36)
             46 LOAD_CONST              19 (8)
             48 LOAD_CONST              11 (108)
             50 LOAD_CONST              16 (7)
             52 LOAD_CONST               7 (49)
             54 LOAD_CONST              20 (10)
             56 LOAD_CONST               0 (4)
             58 LOAD_CONST              21 (86)
             60 LOAD_CONST              22 (43)
             62 LOAD_CONST              17 (110)
             64 LOAD_CONST              22 (43)
             66 LOAD_CONST              23 (88)
             68 LOAD_CONST               3 (0)
             70 LOAD_CONST              24 (67)
             72 LOAD_CONST              25 (104)
             74 LOAD_CONST              26 (125)
             76 LOAD_CONST              14 (9)
             78 LOAD_CONST              27 (78)
             80 BUILD_LIST              40
             82 STORE_NAME               0 (input_list)

  2          84 LOAD_CONST              28 ('J')
             86 STORE_NAME               1 (key_str)

  3          88 LOAD_CONST              29 ('_')
             90 LOAD_NAME                1 (key_str)
             92 BINARY_ADD
             94 STORE_NAME               1 (key_str)

  4          96 LOAD_NAME                1 (key_str)
             98 LOAD_CONST              30 ('o')
            100 BINARY_ADD
            102 STORE_NAME               1 (key_str)

  5         104 LOAD_NAME                1 (key_str)
            106 LOAD_CONST              31 ('3')
            108 BINARY_ADD
            110 STORE_NAME               1 (key_str)

  6         112 LOAD_CONST              32 ('t')
            114 LOAD_NAME                1 (key_str)
            116 BINARY_ADD
            118 STORE_NAME               1 (key_str)

  9         120 LOAD_CONST              33 (<code object <listcomp> at 0x7ffb38066d40, file "snake.py", line 9>)
            122 LOAD_CONST              34 ('<listcomp>')
            124 MAKE_FUNCTION            0
            126 LOAD_NAME                1 (key_str)
            128 GET_ITER
            130 CALL_FUNCTION            1
            132 STORE_NAME               2 (key_list)

 11     >>  134 LOAD_NAME                3 (len)
            136 LOAD_NAME                2 (key_list)
            138 CALL_FUNCTION            1
            140 LOAD_NAME                3 (len)
            142 LOAD_NAME                0 (input_list)
            144 CALL_FUNCTION            1
            146 COMPARE_OP               0 (<)
            148 POP_JUMP_IF_FALSE      162

 12         150 LOAD_NAME                2 (key_list)
            152 LOAD_METHOD              4 (extend)
            154 LOAD_NAME                2 (key_list)
            156 CALL_METHOD              1
            158 POP_TOP
            160 JUMP_ABSOLUTE          134

 15     >>  162 LOAD_CONST              35 (<code object <listcomp> at 0x7ffb38066df0, file "snake.py", line 15>)
            164 LOAD_CONST              34 ('<listcomp>')
            166 MAKE_FUNCTION            0
            168 LOAD_NAME                5 (zip)
            170 LOAD_NAME                0 (input_list)
            172 LOAD_NAME                2 (key_list)
            174 CALL_FUNCTION            2
            176 GET_ITER
            178 CALL_FUNCTION            1
            180 STORE_NAME               6 (result)

 18         182 LOAD_CONST              36 ('')
            184 LOAD_METHOD              7 (join)
            186 LOAD_NAME                8 (map)
            188 LOAD_NAME                9 (chr)
            190 LOAD_NAME                6 (result)
            192 CALL_FUNCTION            2
            194 CALL_METHOD              1
            196 STORE_NAME              10 (result_text)
            198 LOAD_CONST              37 (None)
            200 RETURN_VALUE

Disassembly of <code object <listcomp> at 0x7ffb38066d40, file "snake.py", line 9>:
  9           0 BUILD_LIST               0
              2 LOAD_FAST                0 (.0)
        >>    4 FOR_ITER                12 (to 18)
              6 STORE_FAST               1 (char)
              8 LOAD_GLOBAL              0 (ord)
             10 LOAD_FAST                1 (char)
             12 CALL_FUNCTION            1
             14 LIST_APPEND              2
             16 JUMP_ABSOLUTE            4
        >>   18 RETURN_VALUE

Disassembly of <code object <listcomp> at 0x7ffb38066df0, file "snake.py", line 15>:
 15           0 BUILD_LIST               0
              2 LOAD_FAST                0 (.0)
        >>    4 FOR_ITER                16 (to 22)
              6 UNPACK_SEQUENCE          2
              8 STORE_FAST               1 (a)
             10 STORE_FAST               2 (b)
             12 LOAD_FAST                1 (a)
             14 LOAD_FAST                2 (b)
             16 BINARY_XOR
             18 LIST_APPEND              2
             20 JUMP_ABSOLUTE            4
        >>   22 RETURN_VALUE