/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

4 votes182 views1 answer
ModuleNotFoundError: No module named 'exceptions'
Python
2 votes192 views2 answers
Python how to sum two lists
Python
0 vote199 views3 answers
Pyqt message box set information text
Python
2 votes212 views3 answers
Solve equation python
Python
1 vote249 views4 answers
Flask activ environment
Python Flask
4 votes190 views1 answer
Loca value and drop pandas dataframe
Python
4 votes197 views2 answers
Python socket recv timeout
Python
4 votes194 views2 answers
Python rotate screen
Python
15 votes194 views5 answers
Throw error in python
Python
0 vote222 views1 answer
Pandas resample fill missing values
Python