#!/usr/bin/env python

# ----------------------------------------------------------------------------------- #
#
#  Python macro for Applied Statistics 2017/18 exam, problem 4.1 on Women and Men.
#
#  Author: Troels C. Petersen (NBI)
#  Email:  petersen@nbi.dk
#  Date:   16th of January 2018
#
# ----------------------------------------------------------------------------------- #

data = []
with open( 'data_WomenAndMen.txt', 'r' ) as infile :
    header = infile.readline()     # Read (and ignore) the first line, which is a header line!
    counter = 0
    for line in infile:
        columns = line.strip().split()
        if (len(columns) == 6) :
            data.append([ float(columns[0]), float(columns[1]), float(columns[2]),
                          float(columns[3]), float(columns[4]), int(columns[5]) ])

        # Print some of the data as a sanity check:
        if (counter < 10) :
            print("  Height: {:5.3f} m   Gender: {:1d}".format(data[counter][0], data[counter][5]))
        counter += 1


print("  The total number of data points read is: {:d}".format(counter))