September

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Problem 43 of 50

Easy

What to do

You have 12 words, and each word is numbered from 1 to 12. Your task is to count how many words have a length that matches their number (for example, the first word should have 1 letter, the second word should have 2 letters, and so on).

Key Concepts

loops if-statements basic string manipulation counting

Examples

Input: 'january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december'

Output: 1

Input: 've', 'inrtfa', 'npccxva', 'djiq', 'lmbkktngaovl', 'mlfiv', 'fmbvcmuxuwggfq', 'qgmtwxmb', 'jii', 'ts', 'bfxrvs', 'eqvy'

Output: 2

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Tips for Beginners

  • Focus on understanding the logic, not memorizing syntax
  • Use print statements to debug your code
  • Don't worry about input parsing - the function handles that for you
  • If stuck, try writing out your solution on paper first

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