String Concatenation
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. What is
"Hello" + "World"?2. What is
"Hi " + "there"?3. After
name = "Alice", what is "Hi " + name?4. What is
"Good" + "bye"?5. What is
"Hello" + " " + "World"?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1'Hello' + 5 | AOutput: catnap | |
| 2name = 'Ali' print('Hi' + name) | BError: Missing space | |
| 3'Hello' + ' ' + 'World' | CValid: Hello World | |
| 4greeting = 'Hi ' result = greeting + 'Bob' | DOk: Concatenate variables | |
| 5print('cat' + 'nap') | EOutput: HotDog | |
| 6a = 'Hot' b = 'Dog' print(a + b) | FError: str + int not allowed |
C
Definitions
"Hello" + "World"
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
result = "Hello" _ "World"
2.
name = "Alice"
message = "Hi " _ name
print(message)
3.
greeting = "Good" + _ _ + "morning"
4.
first = "Bob"
last = "Smith"
fullname = first + " " + ____
5.
city = "Melbourne"
sentence = "I live in " + ____
print(sentence)
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
first = "Hello"
B
second = "World"
C
result = first second
D
print(result)
Question 2
A
name = "Bob"
B
greeting = "Hi " + Name
C
print(greeting)
Question 3
A
fruit = "apple"
B
count = "3"
C
msg = "I have " + count + fruit
D
print(msg)
Question 4
A
city = "Melbourne"
B
country = "Australia"
C
location = city + , + country
D
print(location)
Question 5
A
word = "Hello"
B
sentence = word + " " + "World"
C
print(Sentence)
Answer Key
String Concatenation
Section A: Quick Questions
Q1
A — HelloWorld
Q2
A — Hi there
Q3
B — Hi Alice
Q4
A — Goodbye
Q5
B — Hello World
Section B: Match the Pairs
Q1
'Hello' + 5 → Error: str + int not allowed
Q2
name = 'Ali'
print('Hi' + name) → Error: Missing space
Q3
'Hello' + ' ' + 'World' → Valid: Hello World
Q4
greeting = 'Hi '
result = greeting + 'Bob' → Ok: Concatenate variables
Q5
print('cat' + 'nap') → Output: catnap
Q6
a = 'Hot'
b = 'Dog'
print(a + b) → Output: HotDog
Section C: Definitions
Q1
"Hello" + "World" — Concatenation joins strings with + but no space is added.~~"Hello" + " " + "World"Section D: Fill in the Blanks
Q1
result = "Hello" + "World"Q2
name = "Alice"
message = "Hi " + name
print(message)Q3
greeting = "Good" + " " + "morning"Q4
first = "Bob"
last = "Smith"
fullname = first + " " + lastQ5
city = "Melbourne"
sentence = "I live in " + city
print(sentence)Section E: Spot the Error
Q1
C — Line 3 is missing the + operator. Use: first + second
Q2
B — Line 2 uses Name with a capital N. Python is case-sensitive. Use: name
Q3
C — Line 3 is missing a space before fruit. Use: count + " " + fruit
Q4
C — Line 3 has a comma without quotes. Use: city + ", " + country
Q5
C — Line 3 uses Sentence with a capital S. Python is case-sensitive. Use: print(sentence)