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Top Forums Programming Python Script to calculate averages Post 302416185 by jl487 on Sunday 25th of April 2010 11:24:59 AM
Old 04-25-2010
Python Script to calculate averages

I'm fairly new to python so bare with me. I'm trying to write a script that would calculate my class average from exams. The script will look at a text file formatted like this:

Calculus 95 90 92
Physics 80 85 92
History 90 82 83 95

The output should look like this:

Calculus 92.33
Physics 85.66
History 87.5

I have the following code:

Code:
#!/usr/bin/python
import math

f = open('exams',"r")

l = f.readline()
while l :
 l = l.split(None,10)
 L = l[1:]
 print l[:1]
 print L
 print 'Number of Values ', len(L)
 l = f.readline()

The code above pretty much takes each row and turns it into an array. The L variable determines how many grades are in (doesn't look for the subject). I planned on summing the grades and dividing by 'L.' Another problem is that when the text is in the array, it's handled as a string and not as integers/floats.

Anyone have any suggestions?
 

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PYTHON-CONFIG(1)					      General Commands Manual						  PYTHON-CONFIG(1)

NAME
python-config - output build options for python C/C++ extensions or embedding SYNOPSIS
python-config [ --prefix ] [ --exec-prefix ] [ --includes ] [ --libs ] [ --cflags ] [ --ldflags ] [ --help ] DESCRIPTION
python-config helps compiling and linking programs, which embed the Python interpreter, or extension modules that can be loaded dynamically (at run time) into the interpreter. OPTIONS
--cflags print the C compiler flags. --ldflags print the flags that should be passed to the linker. --includes similar to --cflags but only with -I options (path to python header files). --libs similar to --ldflags but only with -l options (used libraries). --prefix prints the prefix (base directory) under which python can be found. --exec-prefix print the prefix used for executable program directories (such as bin, sbin, etc). --help print the usage message. EXAMPLES
To build the singe-file c program prog against the python library, use gcc $(python-config --cflags --ldflags) progr.cpp -o progr.cpp The same in a makefile: CFLAGS+=$(shell python-config --cflags) LDFLAGS+=$(shell python-config --ldflags) all: progr To build a dynamically loadable python module, use gcc $(python-config --cflags --ldflags) -shared -fPIC progr.cpp -o progr.so SEE ALSO
python (1) http://docs.python.org/extending/extending.html /usr/share/doc/python/faq/extending.html AUTHORS
This manual page was written by Johann Felix Soden <johfel@gmx.de> for the Debian project (and may be used by others). November 27, 2011 PYTHON-CONFIG(1)
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