How to enumerate an enum in Python?

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 In Python, you can enumerate an enum using a for loop or the enum.Enum class.

Here's an example of using a for loop to enumerate an enum:

python
from enum import Enum

class Color(Enum):
    RED = 1
    GREEN = 2
    BLUE = 3

for color in Color:
    print(color)

In this example, the Color enum is defined with three values: RED, GREEN, and BLUE. The for loop iterates over the Color enum, printing each Color value to the console.

Alternatively, you can use the enum.Enum class to define an enum and retrieve its values. Here's an example:

python
from enum import Enum

class Color(Enum):
    RED = 1
    GREEN = 2
    BLUE = 3

print(list(Color))

In this example, the Color enum is defined with three values: RED, GREEN, and BLUE. The list function is called on the Color enum to retrieve a list of its values, which is then printed to the console.

Note that the enum.Enum class provides additional functionality for defining and working with enums, such as the ability to compare enum values and retrieve their names and values.