1#import event sheet module
2import qutesheet as q
3from math import pow
4
5# get all cells by row
6cells = q.cells_selection_by_row()
7new_data = []
8
9for c in cells:
10    if type(c) != str:
11        new_val = 440.0 * pow(2, (c - 69)/12.0)
12        new_data.append(new_val)
13    else:
14        new_data.append(c)
15
16
17# set output
18q.set_cells_by_row(new_data)
19