The sum of numbers in a line from a file

Travis Griggs travisgriggs at gmail.com
Thu Feb 20 23:35:17 CET 2014


On Feb 20, 2014, at 8:54 AM, Dave Angel <davea at davea.name> wrote:

> kxjakkk <kjakupak at gmail.com> Wrote in message:
>> Let's say I have a sample file like this:
>> 
>> Name        1           2     3    4     5      6     7    8
>> ------------------------------------------------------------------------
>> name1    099-66-7871   A-F    Y    100    67    81    59    98
>> name2    999-88-7766   A-F    N    99   100    96    91    90
>> name3    000-00-0110    AUD        5    100    28    19    76
>> name4    398-72-3333    P/F    Y    76    84    49    69    78
>> name5    909-37-3689    A-F    Y    97    94    100    61    79
>> 
>> For name1, I want to add together columns 4, 5, 6, and get an average from that, then do the same for the last two columns. I want to do this for every name. 
>> 
>> All I've got is
>> sum([int(s.strip()) for s in open('file').readlines()])
>> 
> 
> Don'ttrytodoitallinoneline.thatwayyouactuallymighthaveaplacetoinse
> rtsomeextralogic.
> 
Yes.

Clearly

the

preferred

way

to

do

it

is

with

lots

of

lines

with

room

for

expandability.

Sorry Dave, couldn’t resist. Clearly a balance between extremes is desirable.

(Mark, I intentionally put the blank lines in this time <grin>)

Travis Griggs
"“Every institution tends to perish by an excess of its own basic principle.” — Lord Acton







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