String handling operations in a programming language

Easy

Select one option to show which of the following strings is a substring of the variable topic defined in the pseudocode below:

topic ← 'quantum computing'
level ← 'undergraduate'

$’quanting’\text{'quanting'}$

$’tumcom’\text{'tumcom'}$

$’compu’\text{'compu'}$

$’compute’\text{'compute'}$

String handling operations in a programming language Questions