# Basic placeholders usage

ingredient = "sugar"
quantity = "500g"

ingredient_string = "- {}: {}".format(ingredient, quantity)

print(ingredient_string)




# Indexed placeholders usage
#
#   Placeholders are identified by index number, 0 being the first parameter passed


name = "John"
age = 30

greetings = "My name is {0}, i'm {1}.".format(name, age) 




# Named placeholders usage
#
#   Placeholders are identified by name, order doesn't matter

fname = "John"
lname = "Doe"

bond_string = "My name is {lastname}, {firstname} {lastname}".format(firstname=fname, lastname=lname)

print(bond_string)