stats.py

def num_words(text):
    words = text.split()
    return len(words)

def count_unique(text):
   # list_words=[]
    lowerCase=text.lower()
   # words = lowerCase.split()
   # list_words.append(lowerCase)
   # set_words = set(list_words)
    letter_count = {}
    for i in lowerCase:
        if i in letter_count:
            letter_count[i]+=1
        else:
            letter_count[i]=1
    return letter_count

def sort_on(item):
    return item["num"]

def sort_letters(count_letters):
    letter_list = []
    for letter, count in count_letters.items():
        
        if letter.isalpha():  # skip non-alphabetical characters
            letter_list.append({
                "char": letter,
                "num": count
            })
        #letter_list.append({"letter": letter, "num": count})
    letter_list.sort(reverse=True, key=sort_on)
    return letter_list