Code Questions

_code_questions.py

# Response to two code questions

# These functions can be further improved by type checking the input values with `isinstance`

question_one.py

import re 

string_arr = "the lazy brown fox jumped over the big pile of junk."

def count_char_length(string):
    """Return the dictionary containing the max word length based on the first letter of each word 
    
    I added a re.sub statement to remove punctuation
    
    Excepted output
    >>> count_char_length("the lazy brown fox jumped over the big pile of junk.")
    {'t': 3, 'l': 4, 'b': 5, 'f': 3, 'j': 6, 'o': 4, 'p': 4}
    """
    answer_dict = {}
    
    cleaned_string = re.sub(r'[^\w\s]','',string)
    
    for _, word in enumerate(cleaned_string.split()):
        if word[0] in answer_dict and len(word) >= answer_dict[word[0]]:
            answer_dict[word[0]] = len(word)
        
        # I had 'else' originally and it was being evaluated if the above logic was FALSE
        # This caused the dictionary value to be overwritten because the logic in the if statement evaluated as FALSE
        # changed to elif and added an 'else' with pass
        elif word[0] not in answer_dict: 
            answer_dict[word[0]] = len(word)
        
        else:
            pass
        
    return answer_dict

count_char_length(string_arr)

question_two.py

from itertools import combinations

target, num_arr = 8, [8,1,4,19,-11,6,4,0]

def find_target_sum(target, num_arr):
  """Find what two array values sum together to equal the target input
  
  I slighly changed my original function to use list comprehension instead of a traditional for loop
  
  >>> find_target_sum(8, [8,1,4,19,-11,6,4,0])
  [(8, 0), (4, 4), (19, -11)]
  """
  valid_combination = combinations(num_arr, 2)
  
  return [(k,j) for k, j in valid_combination if k + j == target]

find_target_sum(target, num_arr)