← Python

Tuples – Operations

Tuples support indexing, slicing, and unpacking but cannot be modified after creation

Part of: Python Coding — Module 60, ACARA Digital Technologies Years 9–10 — Testing and Validating Programs — Module 43, QCE Digital Solutions Unit 2 — Prototype Data Solutions — Module 72

Understanding Tuples – Operations in Python

What it does: Enum is imported from Python's built-in enum module. .value returns the integer (or string) assigned to the member. An enum gives meaningful names to a fixed set of values — like Color.RED instead of 1. Color.REED would be an error; 'reed' would silently pass through. .name returns the identifier string — useful for display or logging. Enum members support == comparison — identity checks (is) also work. Iterating an Enum class yields each member in definition order. Enum members are instances of the enum class, not plain integers.

Common mistakes: Must import Enum first: from enum import Enum. Duplicate values create aliases, not new members. Use unique values.

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This module's key terms are also in a printable crossword (Modules 51–63) and word search (Modules 41–63).

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Learning
Duo
What is an enumeration?
A set of named constantsA type of list
Matches
❌ from Enum import enum
↓
Error: Incorrect import — use from enum import Enum
Applying
Meanings
Term
Enum
Meaning
A class for creating sets of named constants.
Practice
from enum import Enum
Testing
Gaps
from enum import
Check Answer
Spots
1class Color(Enum):
2 RED = 1

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Quick Questions

1. What is an enumeration?
A. A set of named constants ✓
B. A type of list
An enum gives meaningful names to a fixed set of values — like Color.RED instead of 1
2. Why use enums instead of strings?
A. Prevents typos and invalid values ✓
B. They're faster
Color.REED would be an error; 'reed' would silently pass through
3. Color.RED.value returns?
A. The value assigned to RED (e.g., 1) ✓
B. The string 'RED'
.value gives the underlying number or string — .name gives the member's identifier
4. Color.RED.name returns?
A. 1
B. 'RED' (the name as a string) ✓
.name returns the identifier string — useful for display or logging
5. Can enum members be compared?
A. No
B. Yes Color.RED == Color.RED is True ✓
Enum members support == comparison — identity checks (is) also work

Match the Pairs

from Enum import enum → Error: Incorrect import — use from enum import Enum
Color(RED) → Error: Access members with Color.RED
from enum import Enum → Valid: Correct import for Enum class
Color.RED.value → Ok: Access the numeric value of an enum member
list(range(3)) → Output: [0, 1, 2]
type(True) → Output: <class 'bool'>

Key Term

Enum
A class for creating sets of named constants.~~Member

Fill in the Blanks

1. from enum import Enum class Color(Enum): RED = 1
2. class Color(Enum): RED = 1
3. print(Color.RED.value)
4. print(Color.RED.name)
5. for c in Color: print(c)

Spot the Error

Question 1
A class Color(Enum):
B RED = 1
Line A — Must import Enum first: from enum import Enum
Question 2
A from enum import Enum
B
C class Color(Enum):
D RED = 1
E GREEN = 1
Line E — Duplicate values create aliases, not new members. Use unique values.
Question 3
A from enum import Enum
B
C class Color(Enum):
D RED = 1
E
F Color.RED = 2
Line F — Cannot reassign enum members they are immutable
Question 4
A from enum import Enum
B
C class Color(Enum):
D red = 1
Line D — Convention: enum member names should be UPPER_CASE
Question 5
A from enum import Enum
B
C class Color(Enum):
D RED = 1
E
F if color == 'RED':
Line F — Compare with Color.RED, not the string 'RED'

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