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1. Check Anagram2. Check if Substring Exists3. Count Substring Occurrences4. Extract Numbers from String5. Sum of Numbers in String6. Check if All Characters Same7. Remove Adjacent Duplicates8. Find First Non-Repeating Character9. Find Most Frequent Character10. Check String Rotation11. Longest Common Prefix12. String Compression13. Valid Parentheses Check14. Reverse Words in String

Check if Substring Exists

Check if one string is substring of another.

IntermediatePhase 5 - Category 5: Advanced String LogicExample 2 of 14
check-if-substring-exists.py
1# Take two strings
2s1 = input("Enter first string: ")
3s2 = input("Enter second string: ")
4

5# Check substring
6if s2 in s1:
7    print(f"{s2} is substring of {s1}")
8else:
9    print(f"{s2} is not substring of {s1}")

Output

Enter first string: Hello World
Enter second string: World
World is substring of Hello World

What's going on

Use 'in' operator to check substring.

Key Concepts:

'in' operator checks membership
Returns True if substring exists
Simple check

🔗Related Content

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