range()
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. What does range(5) produce?
2. What does range(2, 5) produce?
3. Is the stop value included in range()?
4. What does range(0, 10, 2) produce?
5. What does range(3, 0, -1) produce?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1range(1.5, 10) | AOutput: [0, 1, 2] | |
| 2for i in range(5, 1): print(i) | BError: range() needs integers | |
| 3range(2, 8, 2) | COk: Counts down 5,4,3,2,1 | |
| 4range(5, 0, -1) | DError: No output — step needed | |
| 5print(list(range(3))) | EOutput: [1, 2, 3, 4, 5] | |
| 6print(list(range(1,6))) | FValid: 2, 4, 6 |
C
Definitions
range(stop)
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
for i in _____(5):
print(i)
2.
for i in range(1, _):
print(i) # prints 1,2,3,4,5
3.
for i in range(0, 10, _):
print(i) # counts by 2
4.
for i in range(5, 0, __):
print(i) # counts down
5.
for i in range(_, 6):
print(i) # starts at 1
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
# Print numbers 1 to 5
B
total = 0
C
for i in range(1, 5):
D
print(i)
E
total += i
Question 2
A
# Count down from 10 to 1
B
for i in range(10, 0):
C
print(i)
D
print('Done!')
Question 3
A
# Print integers 1 to 4
B
for i in range(1.0, 5.0):
C
print(i)
D
print('Done!')
Question 4
A
total = 0
B
for i in Range(5):
C
total += i
D
print('Sum:', total)
Question 5
A
total = 0
B
for i in range[5]:
C
total += i
D
print('Sum:', total)
Answer Key
range()
Section A: Quick Questions
Q1
B — 0, 1, 2, 3, 4
Q2
B — 2, 3, 4
Q3
A — No it stops before it
Q4
A — 0, 2, 4, 6, 8
Q5
A — 3, 2, 1
Section B: Match the Pairs
Q1
range(1.5, 10) → Error: range() needs integers
Q2
for i in range(5, 1):
print(i) → Error: No output — step needed
Q3
range(2, 8, 2) → Valid: 2, 4, 6
Q4
range(5, 0, -1) → Ok: Counts down 5,4,3,2,1
Q5
print(list(range(3))) → Output: [0, 1, 2]
Q6
print(list(range(1,6))) → Output: [1, 2, 3, 4, 5]
Section C: Definitions
Q1
range(stop) — Creates numbers from 0 up to but not including stop.~~range(start, stop)Section D: Fill in the Blanks
Q1
for i in range(5):
print(i)Q2
for i in range(1, 6):
print(i) # prints 1,2,3,4,5Q3
for i in range(0, 10, 2):
print(i) # counts by 2Q4
for i in range(5, 0, -1):
print(i) # counts downQ5
for i in range(1, 6):
print(i) # starts at 1Section E: Spot the Error
Q1
C — range(1, 5) stops before 5: use range(1, 6) to include 5
Q2
B — To count down, you need a negative step: range(10, 0, -1)
Q3
B — range() only works with integers: not floats like 1.0
Q4
B — range is lowercase: Range is not a valid function
Q5
B — range uses parentheses (), not square brackets []