What is the output of this Python code that concatenates two lists, slices the last two items, and replaces 'english' with 'maths'?
1Times asked
Sep 2026Last seen
Sep 2026First seen
💡 Model Answer
The code performs three main steps:
- It concatenates list_a and list_b using the + operator, producing ['science', 'social', 'maths', 'english'].
- It slices the last two elements of the combined list, yielding ['maths', 'english'].
- It finds the index of the string "english" in the combined list and replaces that element with "maths", resulting in ['science', 'social', 'maths', 'maths'].
The printed output will therefore be:
['science', 'social', 'maths', 'english']
['maths', 'english']
['science', 'social', 'maths', 'maths']
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