In [1]: data = [182, 200, 167, 53, 226, 115, 43, 132, 168]

In [2]: zip(range(9), data)
Out[2]: [(0, 182), (1, 200), (2, 167), (3, 53), (4, 226), (5, 115), (6, 43), (7, 132), (8, 168)]

In [6]: range(9)
Out[6]: [0, 1, 2, 3, 4, 5, 6, 7, 8]

In [7]: [j*23/8 for j in range(9)]
Out[7]: [0.0, 2.875, 5.75, 8.625, 11.5, 14.375, 17.25, 20.125, 23.0]

In [9]: zip([j*23/8 for j in range(9)], data)
Out[9]: [(0.0, 182), (2.875, 200), (5.75, 167), (8.625, 53), (11.5, 226), (14.375, 115), (17.25, 43), (20.125, 132), (23.0, 168)]

In [10]: newdata = zip([j*23/8 for j in range(9)], data)

In [11]: for x,y in newdata:
   ....:     print x, y
   ....:
0.0 182
2.875 200
5.75 167
8.625 53
11.5 226
14.375 115
17.25 43
20.125 132
23.0 168