# Sebastian Raschka 2014
# converts a 1-col input file into csv file
#
# Example input:
# 123
# 245
# 453
#
# Example output:
# 123,245,453
#



out_file = open('new.csv', 'w')
with open('in.txt', 'r') as in_file:
    for line in in_file:
        line = line.strip()
        out_file.write(line + ',')
out_file.close()