/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

-1 vote273 views1 answer
Groupby where only
Python
1 vote296 views1 answer
How to count down in python using turtle graphics
Python
0 vote233 views6 answers
New listnode(-1)
Python
0 vote259 views1 answer
Import NoSuchKey in boto3
Python
2 votes277 views1 answer
Range python iterate by 2
Python
0 vote289 views1 answer
Python 3.7 install snakemake
Python
24 votes305 views6 answers
Python remove white space
Python
0 vote282 views1 answer
Pandas get row if difference previous
Python
3 votes283 views1 answer
How ot split a string every fourth eter
Python
1 vote282 views1 answer
Elif in django template
Python