C:\stuff>
C:\stuff>cat table1.txt
1       5       10    2   1.0
2       10      20    4   2.0
3       15      30    8    3
4       20      40   16   4.0
C:\stuff>
C:\stuff>python summer.py 5 table1.txt
[10, 50, 100, 30, 10.0]

C:\stuff>cat table2.txt
2     1+1          1<<1           eval("2")
16    2*2*2*2      pow(2,4)       16.0
3     len('abc')   [1,2,3][2]     {'spam':3}['spam']

C:\stuff>python summer.py 4 table2.txt
[21, 21, 21, 21.0]