/Python/Python codes for counting the occurrence of a letters in dictionary excluding digits

Python codes for counting the occurrence of a letters in dictionary excluding digits

def count_letters(text):
      result = {}
      # Go through each letter in the text
      for letter in text:
        # Check if the letter needs to be counted or not
        if letter not in result:
          result[letter.lower()] = 1
        # Add or increment the value in the dictionary
        else:
          result[letter.lower()] += 1
      return result

    print(count_letters("AaBbCc"))
    # Should be {'a': 2, 'b': 2, 'c': 2}

    print(count_letters("Math is fun! 2+2=4"))
    # Should be {'m': 1, 'a': 1, 't': 1, 'h': 1, 'i': 1, 's': 1, 'f': 1, 'u': 1, 'n': 1}

    print(count_letters("This is a sentence."))
    # Should be {'t': 2, 'h': 1, 'i': 2, 's': 3, 'a': 1, 'e': 3, 'n': 2, 'c': 1}

Source: stackoverflow.com

Similar codes

0 vote211 views1 answer
Adjusted price in crsp pandas
Python
158 votes309 views3 answers
Traversing dictionary in python
Python
5 votes202 views1 answer
Python how to skip iteration
Python
3 votes192 views2 answers
How to fill a list in python
Python
-1 vote157 views2 answers
Model deployment with flask
Python
0 vote195 views1 answer
Exception Type: AssertionError Exception Value: Expected a `Response`, `HttpResponse` or `HttpStreamingResponse` to be returned from the view, but received a `<class 'django.db.models.query.QuerySet'>`
Python
-1 vote194 views2 answers
Python selenium find element by text
Python
0 vote198 views1 answer
Updating many to many field in django using pk
Python
0 vote269 views1 answer
Pandas average of vectors after groupby
Python
-1 vote241 views1 answer
ImportError: cannot import name 'FieldDoesNotExist' from 'django.db.models.fields' (C:\Users\Admin\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\models\fields\__init__.py)
Python Django