prices = [11.98, 9.56, 189.78, 0.75, 1267.645]
for price in prices:
swiss_price = 0.86 * price
print("price: %8.2f (%10.4f)" % (swiss_price, swiss_price))
for price in prices:
print("price: {0:8.2f} {0:10.4f})".format(0.86 * price))
price: 10.30 ( 10.3028)
price: 8.22 ( 8.2216)
price: 163.21 ( 163.2108)
price: 0.65 ( 0.6450)
price: 1090.17 ( 1090.1747)
... and now with 'format'
price: 10.30 ( 10.3028)
price: 8.22 ( 8.2216)
price: 163.21 ( 163.2108)
price: 0.65 ( 0.6450)
price: 1090.17 ( 1090.1747)