Python Coding Challenge - Question with Answer (ID -100726)

 

Code Explanation:

Line 1: Create a List

a = [1, 2, 3]

Explanation

a is a variable.

[1, 2, 3] is a list containing three elements.

The list is stored in memory.

Index Positions

Index Value

0 1

1 2

2 3

Negative Indexes

Negative Index Value

-1 3

-2 2

-3 1

Line 2: Access the Element

print(a[-0])

Step 1: Evaluate -0

Explanation

In Python, -0 is the same as 0.

Example:

print(-0)

Output

0

Step 2: Replace -0 with 0

a[-0]

becomes

a[0]

Step 3: Access the First Element

Python accesses index 0.

a = [1, 2, 3]

     ↑

   Index 0

Value at index 0 is:

1

Step 4: Print the Value

print(1)

Output

1

Final Output

1

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