0           RESUME                   0

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

  4           LOAD_CONST               1 (<code object percent_change at 0x100781570, file "ledger.py", line 4>)
              MAKE_FUNCTION
              STORE_NAME               1 (percent_change)

 10           LOAD_CONST               2 (<code object grade at 0x10586e170, file "ledger.py", line 10>)
              MAKE_FUNCTION
              STORE_NAME               2 (grade)

 23           LOAD_CONST               3 (<code object total at 0x10077e130, file "ledger.py", line 23>)
              MAKE_FUNCTION
              STORE_NAME               3 (total)

 30           LOAD_CONST               4 (<code object grade_label at 0x10077e030, file "ledger.py", line 30>)
              MAKE_FUNCTION
              STORE_NAME               4 (grade_label)
              LOAD_CONST               5 (None)
              RETURN_VALUE

Disassembly of <code object percent_change at 0x100781570, file "ledger.py", line 4>:
  4           RESUME                   0

  5           LOAD_FAST_BORROW         0 (before)
              LOAD_SMALL_INT           0
              COMPARE_OP              88 (bool(==))
              POP_JUMP_IF_FALSE        3 (to L1)
              NOT_TAKEN

  6           LOAD_SMALL_INT           0
              RETURN_VALUE

  7   L1:     LOAD_FAST_BORROW_LOAD_FAST_BORROW 16 (after, before)
              BINARY_OP               10 (-)
              LOAD_SMALL_INT         100
              BINARY_OP                5 (*)
              LOAD_FAST_BORROW         0 (before)
              BINARY_OP                2 (//)
              RETURN_VALUE

Disassembly of <code object grade at 0x10586e170, file "ledger.py", line 10>:
 10           RESUME                   0

 11           LOAD_FAST_BORROW         0 (score)
              LOAD_SMALL_INT          10
              BINARY_OP                2 (//)
              STORE_FAST               1 (bucket)

 12           LOAD_FAST_BORROW         1 (bucket)
              LOAD_SMALL_INT           9
              COMPARE_OP             188 (bool(>=))
              POP_JUMP_IF_FALSE        3 (to L1)
              NOT_TAKEN

 13           LOAD_SMALL_INT           4
              RETURN_VALUE

 14   L1:     LOAD_FAST_BORROW         1 (bucket)
              LOAD_SMALL_INT           8
              COMPARE_OP              88 (bool(==))
              POP_JUMP_IF_FALSE        3 (to L2)
              NOT_TAKEN

 15           LOAD_SMALL_INT           3
              RETURN_VALUE

 16   L2:     LOAD_FAST_BORROW         1 (bucket)
              LOAD_SMALL_INT           7
              COMPARE_OP              88 (bool(==))
              POP_JUMP_IF_FALSE        3 (to L3)
              NOT_TAKEN

 17           LOAD_SMALL_INT           2
              RETURN_VALUE

 18   L3:     LOAD_FAST_BORROW         1 (bucket)
              LOAD_SMALL_INT           6
              COMPARE_OP              88 (bool(==))
              POP_JUMP_IF_FALSE        3 (to L4)
              NOT_TAKEN

 19           LOAD_SMALL_INT           1
              RETURN_VALUE

 20   L4:     LOAD_SMALL_INT           0
              RETURN_VALUE

Disassembly of <code object total at 0x10077e130, file "ledger.py", line 23>:
 23           RESUME                   0

 24           LOAD_SMALL_INT           0
              STORE_FAST               1 (s)

 25           LOAD_FAST_BORROW         0 (values)
              GET_ITER
      L1:     FOR_ITER                11 (to L2)
              STORE_FAST               2 (v)

 26           LOAD_FAST_BORROW_LOAD_FAST_BORROW 18 (s, v)
              BINARY_OP               13 (+=)
              STORE_FAST               1 (s)
              JUMP_BACKWARD           13 (to L1)

 25   L2:     END_FOR
              POP_ITER

 27           LOAD_FAST_BORROW         1 (s)
              RETURN_VALUE

Disassembly of <code object grade_label at 0x10077e030, file "ledger.py", line 30>:
 30           RESUME                   0

 31           LOAD_GLOBAL              0 (LABELS)
              LOAD_GLOBAL              3 (grade + NULL)
              LOAD_FAST_BORROW         0 (score)
              CALL                     1
              BINARY_OP               26 ([])
              RETURN_VALUE