Python Coding Challenge - Question with Answer (ID -060626)

 

Code Expkanation:

🔹 Step 1: Create a List

x = [1,2,3]

A list is created:

[1, 2, 3]

🔹 Step 2: Start Pattern Matching

match x:

Python checks the value of:

x

which is:

[1,2,3]

Now Python tries to match it against the available case patterns.

🔹 Step 3: Check the Pattern

case [1, *a]:

This pattern means:

First element must be 1

and

Store all remaining elements in a

🔹 Step 4: Match First Element

List:

[1,2,3]

Pattern:

[1, *a]

Comparison:

1 == 1

✅ Match successful

🔹 Step 5: Capture Remaining Elements

After matching the first element:

1

remaining elements are:

[2,3]

These are assigned to:

a

So:

a = [2,3]

🔹 Step 6: Execute Print Statement

print(a)

becomes:

print([2,3])

Output:

[2, 3]