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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

Find Most Frequent Character

Find character that appears most frequently.

AdvancedPhase 5 - Category 5: Advanced String LogicExample 9 of 14
find-most-frequent-character.py
1# Take string input
2s = input("Enter a string: ")
3

4# Count frequency
5freq = {}
6for char in s:
7    if char != ' ':  # Ignore spaces
8        freq[char] = freq.get(char, 0) + 1
9

10# Find most frequent
11if freq:
12    most_frequent = max(freq, key=freq.get)
13    print(f"Most frequent: {most_frequent} (appears {freq[most_frequent]} times)")
14else:
15    print("No characters found")

Output

Enter a string: hello
Most frequent: l (appears 2 times)

What's going on

Count frequency and find maximum.

Key Concepts:

Count frequency of each character
Use max() with key=freq.get
Returns most frequent character

🔗Related Content

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