# File: ChapterIOFiles/conversion.py
""" File prices.txt is
computer $ 3000
printer  $ 450
modem    $ 15
File (prices.txt)? prices.txt
['computer $ 3000\n', 'printer  $ 450\n', 'modem  $ 15\n']
computer 2307.69 EU
printer 346.15 EU
modem 11.54 EU
"""
def main():
    fileName = input( "File (prices.txt)? " )
    f = open("Texts/" + fileName, "r" )
    lol = f.readlines() #lots of lines in a list of strings- one line one string
    print(lol)
    f.close()

    for i in range( len( lol ) ):
        line = lol[i]
        words = line.split() #split 3 words in 3 elements
        priceUSD = eval( words[2] ) # has the number - price
        priceEU = round(priceUSD / 1.3, 2)  # conversion rate 1.3
        lol[i] = words[0] + " " + str(priceEU ) + " EU"
    # rewrite the line
    for line in lol:
        print( line )

main()