homework8

8-1

def display_message():
print("I learn function this chapter.")
display_message()

8-5

def describe_city(city, country = "China"):
print(city + " is in " + country)
describe_city("Beijing")
describe_city("London", "England")
describe_city(city = "Reykjacik", country = "Iceland")

8-6

def city_country(city,country):
return '"' + city + ', ' + country + '"'
string = city_country('Beijing','China')
print(string)
string = city_country('London','England')
print(string)
string = city_country('New York','America')
print(string)

8-11

def show_magicians(names):
for name in names:
print(name)
def make_great(names):
new_names = []
for name in names:
new_names.append("the Great " + name)
return new_names
magicians_names = ["Mike", "Jack", "Jerry"]
new_names = make_great(magicians_names[:])
show_magicians(magicians_names)
show_magicians(new_names)