Check Substring in String

Check Substring in String

Tags: String Manipulation Basics

Credit: CodingChallenge

Difficulty: Beginner

Type: Text

Category: Practice

Time Allowed: 5 s

Description:

Write a function that takes two strings and returns True if the second string is a substring of the first string, or False otherwise. This problem is designed to help you practice string searching. The function should accept two parameters and return a boolean value.

Constraints:

  • Both inputs will be strings.
  • The function should return a boolean value: True or False.

Example:

  • Input: "hello world", "world"
  • Output: True

Test Case Input Expected Output
1 ["hello world", "world"] True
2 ["openai", "ai"] True
3 ["python programming", "code"] False
4 ["data science", "data"] True
5 ["machine learning", "Machine"] False
6 ["", "empty"] False
7 ["substring", ""] True
8 ["abcdef", "def"] True
9 ["abcdef", "gh"] False

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