Functions: What Does This Print

What does this print? · Intermediate · about 8 min

Read each short program and type exactly what it prints, with each printed line on its own line. If a program stops with an error, type the error's name, like TypeError.

Example

def square(n):
    return n * n
print(square(3))

prints

Program 1

def add(a, b):
    print(a + b)
result = add(2, 3)
print(result)

What it prints

Program 2

def greet(name, greeting="Hello"):
    return greeting + ", " + name
print(greet("Sam"))
print(greet("Sam", "Hi"))

What it prints

Program 3

x = 5
def change():
    x = 10
change()
print(x)

What it prints

Program 4

count = 0
def bump():
    count += 1
bump()
print(count)

What it prints

Program 5

def total(*nums):
    return sum(nums)
print(total(1, 2, 3), total())

What it prints

Program 6

def power(base, exp=2):
    return base ** exp
print(power(exp=3, base=2), power(3))

What it prints

Program 7

def f(n):
    if n == 0:
        return 0
    return n + f(n - 1)
print(f(4))

What it prints

Program 8

def check(n):
    if n > 0:
        return "positive"
print(check(5), check(-1))

What it prints