CODE EXAMPLE FOR PYTHON

how to make a bill in python

tprice = 0
tup = [['apple', '100', '2'], ['blackberry', '100', '23']]
myformat = "{:<10}{:<25}{:<5}{}"

f = open(filename, 'w')
g = open('recpt.txt', 'r')
lines = g.readlines()

for line in lines:
    base = line.split()
    tup.append(base)

print(myformat.format('S.no', 'Product', 'Unit', 'Price'))

for i in range(len(tup)):
    if len(tup[i][0]) <= 7:
        print(myformat.format(str([i + 1]), tup[i][0], tup[i][2], tup[i][1]))
    else:
        print(myformat.format(str([i + 1]), tup[i][0], tup[i][2], tup[i][1]))

    price = int(tup[i][1])
    tprice += price

print(tprice)