PYTHON

how to make a bill in python

tprice = 0
tup = [['apple','100','2'],['blackberry','100','23']]
f= open(filename,'w')
g= open('recpt.txt','r')
lines = g.readlines()
for line in lines:
    base = line.split()
    tup.append(base)
print('S.no','	','Product','	','Unit','	','Price')
for i in range(len(tup)):
    if len(tup[i][0]) <= 7:
      print([i+1],'	',tup[i][0],'	','	',tup[i][2],'	',tup[i][1])
    else:
        print([i+1], '	', tup[i][0], '	', tup[i][2],'	',tup[i][1])
    price = int(tup[i][1])
    tprice += price
print(tprice)

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)

python bill

tprice = 0
tup = [['apple','100','2'],['blackberry','100','23']]
f= open(filename,'w')
g= open('recpt.txt','r')
lines = g.readlines()
for line in lines:
    base = line.split()
    tup.append(base)
print('S.no','	','Product','	','Unit','	','Price')
for i in range(len(tup)):
    if len(tup[i][0]) <= 7:
      print([i+1],'	',tup[i][0],'	','	',tup[i][2],'	',tup[i][1])
    else:
        print([i+1], '	', tup[i][0], '	', tup[i][2],'	',tup[i][1])
    price = int(tup[i][1])
    tprice += price
print(tprice)

python: total for the bill

def bill_total(bill, tax_rate):
    sub_total = 0
    taxable_total = 0
    for line_item in bill:
        line_total = line_item["quantity"] * line_item["item_cost"]
        sub_total += line_total
        if line_item["taxable"]:
            taxable_total += line_total

    return sub_total + (taxable_total * tax_rate)