# 3.22:  Loop through file, isolate and double numeric value.

# Looping through datafile.csv, isolate the int value (4th field) and double it, printing each
# doubled value as you loop.

import runreport

fname = '../datafile.csv'

fh = open(fname)

for line in fh:
    # your code here


# Expected Output:

# 6
# 2
# 0
# 8
# 4

