0          0       RESUME                   0

  1          2       LOAD_CONST               6 (('F', 'D', 'C', 'B', 'A'))
             4       STORE_NAME               0 (LABELS)

  4          6       LOAD_CONST               1 (<code object percent_change at 0x107c91570, file "ledger.py", line 4>)
             8       MAKE_FUNCTION
            10       STORE_NAME               1 (percent_change)

 10         12       LOAD_CONST               2 (<code object grade at 0x107d3e170, file "ledger.py", line 10>)
            14       MAKE_FUNCTION
            16       STORE_NAME               2 (grade)

 23         18       LOAD_CONST               3 (<code object total at 0x107c8e130, file "ledger.py", line 23>)
            20       MAKE_FUNCTION
            22       STORE_NAME               3 (total)

 30         24       LOAD_CONST               4 (<code object grade_label at 0x107c8e030, file "ledger.py", line 30>)
            26       MAKE_FUNCTION
            28       STORE_NAME               4 (grade_label)
            30       LOAD_CONST               5 (None)
            32       RETURN_VALUE

Disassembly of <code object percent_change at 0x107c91570, file "ledger.py", line 4>:
  4          0       RESUME                   0

  5          2       LOAD_FAST_BORROW         0 (before)
             4       LOAD_SMALL_INT           0
             6       COMPARE_OP              88 (bool(==))
             8       CACHE                    0 (counter: 0)
            10       POP_JUMP_IF_FALSE        3 (to L1)
            12       CACHE                    0 (counter: 0)
            14       NOT_TAKEN

  6         16       LOAD_SMALL_INT           0
            18       RETURN_VALUE

  7   L1:   20       LOAD_FAST_BORROW_LOAD_FAST_BORROW 16 (after, before)
            22       BINARY_OP               10 (-)
            24       CACHE                    0 (counter: 0)
            26       CACHE                    0 (descr: 0)
            28       CACHE                    0
            30       CACHE                    0
            32       CACHE                    0
            34       LOAD_SMALL_INT         100
            36       BINARY_OP                5 (*)
            38       CACHE                    0 (counter: 0)
            40       CACHE                    0 (descr: 0)
            42       CACHE                    0
            44       CACHE                    0
            46       CACHE                    0
            48       LOAD_FAST_BORROW         0 (before)
            50       BINARY_OP                2 (//)
            52       CACHE                    0 (counter: 0)
            54       CACHE                    0 (descr: 0)
            56       CACHE                    0
            58       CACHE                    0
            60       CACHE                    0
            62       RETURN_VALUE

Disassembly of <code object grade at 0x107d3e170, file "ledger.py", line 10>:
 10          0       RESUME                   0

 11          2       LOAD_FAST_BORROW         0 (score)
             4       LOAD_SMALL_INT          10
             6       BINARY_OP                2 (//)
             8       CACHE                    0 (counter: 0)
            10       CACHE                    0 (descr: 0)
            12       CACHE                    0
            14       CACHE                    0
            16       CACHE                    0
            18       STORE_FAST               1 (bucket)

 12         20       LOAD_FAST_BORROW         1 (bucket)
            22       LOAD_SMALL_INT           9
            24       COMPARE_OP             188 (bool(>=))
            26       CACHE                    0 (counter: 0)
            28       POP_JUMP_IF_FALSE        3 (to L1)
            30       CACHE                    0 (counter: 0)
            32       NOT_TAKEN

 13         34       LOAD_SMALL_INT           4
            36       RETURN_VALUE

 14   L1:   38       LOAD_FAST_BORROW         1 (bucket)
            40       LOAD_SMALL_INT           8
            42       COMPARE_OP              88 (bool(==))
            44       CACHE                    0 (counter: 0)
            46       POP_JUMP_IF_FALSE        3 (to L2)
            48       CACHE                    0 (counter: 0)
            50       NOT_TAKEN

 15         52       LOAD_SMALL_INT           3
            54       RETURN_VALUE

 16   L2:   56       LOAD_FAST_BORROW         1 (bucket)
            58       LOAD_SMALL_INT           7
            60       COMPARE_OP              88 (bool(==))
            62       CACHE                    0 (counter: 0)
            64       POP_JUMP_IF_FALSE        3 (to L3)
            66       CACHE                    0 (counter: 0)
            68       NOT_TAKEN

 17         70       LOAD_SMALL_INT           2
            72       RETURN_VALUE

 18   L3:   74       LOAD_FAST_BORROW         1 (bucket)
            76       LOAD_SMALL_INT           6
            78       COMPARE_OP              88 (bool(==))
            80       CACHE                    0 (counter: 0)
            82       POP_JUMP_IF_FALSE        3 (to L4)
            84       CACHE                    0 (counter: 0)
            86       NOT_TAKEN

 19         88       LOAD_SMALL_INT           1
            90       RETURN_VALUE

 20   L4:   92       LOAD_SMALL_INT           0
            94       RETURN_VALUE

Disassembly of <code object total at 0x107c8e130, file "ledger.py", line 23>:
 23          0       RESUME                   0

 24          2       LOAD_SMALL_INT           0
             4       STORE_FAST               1 (s)

 25          6       LOAD_FAST_BORROW         0 (values)
             8       GET_ITER
      L1:   10       FOR_ITER                11 (to L2)
            12       CACHE                    0 (counter: 0)
            14       STORE_FAST               2 (v)

 26         16       LOAD_FAST_BORROW_LOAD_FAST_BORROW 18 (s, v)
            18       BINARY_OP               13 (+=)
            20       CACHE                    0 (counter: 0)
            22       CACHE                    0 (descr: 0)
            24       CACHE                    0
            26       CACHE                    0
            28       CACHE                    0
            30       STORE_FAST               1 (s)
            32       JUMP_BACKWARD           13 (to L1)
            34       CACHE                    0 (counter: 0)

 25   L2:   36       END_FOR
            38       POP_ITER

 27         40       LOAD_FAST_BORROW         1 (s)
            42       RETURN_VALUE

Disassembly of <code object grade_label at 0x107c8e030, file "ledger.py", line 30>:
 30          0       RESUME                   0

 31          2       LOAD_GLOBAL              0 (LABELS)
             4       CACHE                    0 (counter: 0)
             6       CACHE                    0 (index: 0)
             8       CACHE                    0 (module_keys_version: 0)
            10       CACHE                    0 (builtin_keys_version: 0)
            12       LOAD_GLOBAL              3 (grade + NULL)
            14       CACHE                    0 (counter: 0)
            16       CACHE                    0 (index: 0)
            18       CACHE                    0 (module_keys_version: 0)
            20       CACHE                    0 (builtin_keys_version: 0)
            22       LOAD_FAST_BORROW         0 (score)
            24       CALL                     1
            26       CACHE                    0 (counter: 0)
            28       CACHE                    0 (func_version: 0)
            30       CACHE                    0
            32       BINARY_OP               26 ([])
            34       CACHE                    0 (counter: 0)
            36       CACHE                    0 (descr: 0)
            38       CACHE                    0
            40       CACHE                    0
            42       CACHE                    0
            44       RETURN_VALUE