types_of_people = 10
x = f"there are {types_of_people} types of people."

binary = "binary"
do_not = "don't"
y = f"those who know {binary} and who {do_not}."

print(x)
print(y)

print(f"i said {x}")
print(f"i also said {y}")

#new types of formatting

hilarious = False
joke_evaluation = "isn't that joke so funny? {}"

print(joke_evaluation.format(hilarious))