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Quiz on String for DSA: Question 5 
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Quiz on String for DSA: Question 5
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What is the primary difference between a substring and a subsequence of a string?
A substring and a subsequence are the same thing.
A substring is a contiguous portion of the string, while a subsequence can be obtained by deleting some or no characters from the string without changing the order of the remaining characters.
A substring is always smaller than the original string, while a subsequence can be larger.
A subsequence is a substring, but a substring is not a subsequence.
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