Functions – Parameters
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. What is a parameter?
2. What is an argument?
3. def greet(name):\n print('Hi ' + name)\ngreet('Bob')\nWhat prints?
4. def add(a, b):\n print(a + b)\nadd(3, 5)\nWhat prints?
5. Can a function have multiple parameters?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1def add(a, b): return a + b add(3) | AError: Too many arguments | |
| 2def greet(name): print('Hi ' + name) greet('Al', 'Bob') | BError: Missing argument for b | |
| 3def greet(name): print('Hi ' + name) greet('Alice') | COutput: 8 | |
| 4def add(a, b): return a + b | DValid: One parameter, one arg | |
| 5def square(n): return n * n print(square(4)) | EOutput: 16 | |
| 6def add(a, b): return a + b print(add(3, 5)) | FOk: Two parameters |
C
Definitions
Parameter
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
def greet(____):
print('Hi ' + name)
greet('Alice')
2.
def add(a, _):
print(a + b)
add(3, 5)
3.
def greet(name):
print('Hi ' + name)
greet(_____)
4.
def double(______):
print(number * 2)
double(5)
5.
def show(x, y):
print(x + y)
show(_, 10)
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
def greet(name)
B
msg = 'Hi ' + name
C
print(msg)
D
print('Goodbye!')
E
greet('Alice')
Question 2
A
def greet('name'):
B
msg = 'Hi ' + name
C
print(msg)
D
print('Goodbye!')
E
greet('Alice')
Question 3
A
def add(a b):
B
result = a + b
C
print('Sum:', result)
D
return result
E
add(3, 5)
Question 4
A
def greet(name):
B
print('Hi ' + name)
C
D
greet()
Question 5
A
def greet(name):
B
print('Hi ' + name)
C
D
greet('Alice', 'Bob')
Answer Key
Functions – Parameters
Section A: Quick Questions
Q1
B — A variable in the function definition
Q2
A — The actual value passed to a function
Q3
A — Hi Bob
Q4
B — 8
Q5
A — Yes separated by commas
Section B: Match the Pairs
Q1
def add(a, b):
return a + b
add(3) → Error: Missing argument for b
Q2
def greet(name):
print('Hi ' + name)
greet('Al', 'Bob') → Error: Too many arguments
Q3
def greet(name):
print('Hi ' + name)
greet('Alice') → Valid: One parameter, one arg
Q4
def add(a, b):
return a + b → Ok: Two parameters
Q5
def square(n):
return n * n
print(square(4)) → Output: 16
Q6
def add(a, b):
return a + b
print(add(3, 5)) → Output: 8
Section C: Definitions
Q1
Parameter — A variable name in the function definition that receives data.~~ArgumentSection D: Fill in the Blanks
Q1
def greet(name):
print('Hi ' + name)
greet('Alice')Q2
def add(a, b):
print(a + b)
add(3, 5)Q3
def greet(name):
print('Hi ' + name)
greet(Alice)Q4
def double(number):
print(number * 2)
double(5)Q5
def show(x, y):
print(x + y)
show(5, 10)Section E: Spot the Error
Q1
A — Missing colon after the parameter list
Q2
A — Parameters don't use quotes: name is a variable, not a string
Q3
A — Multiple parameters must be separated by commas
Q4
D — Missing argument: greet expects a name but got nothing
Q5
D — Too many arguments: function takes 1 but got 2