A+functions.py

# some useful functions based on practice activities on codeacademy

censor-string.py

# censors the 'word' out of the 'text'
def censor(text, word):
    words = text.split()
    result = ''
    stars = '*' * len(word)
    count = 0
    for i in words:
        if i == word:
            words[count] = stars
        count += 1
    result =' '.join(words)

    return result

clip-dups.py

def remove_duplicates(inputlist):
    if inputlist == []:
        return []
    
# Sort the input list from low to high    
    inputlist = sorted(inputlist)
# Initialize the output list, and give it the first value of the now-sorted input list
    outputlist = [inputlist[0]]

# Go through the values of the sorted list and append to the output list
# ...any values that are greater than the last value of the output list
    for i in inputlist:
        if i > outputlist[-1]:
            outputlist.append(i)
        
    return outputlist

clip-vowels.py

# remove vowels from string
def anti_vowel(text):
  text = text.translate(None,'eiouaEIOUA')
  return text

count-int.py

def count(sequence, item):
    count = 0
    for i in sequence:
        if i == item:
            count += 1
    return count

factorial.py

# factorial a number
def factorial(x):
    total = 1
    while x > 0:
        total *= x
        x -= 1
    return total

get-median.py

def median(lst):
    sorted_list = sorted(lst)
    if len(sorted_list) % 2 != 0:
        #odd number of elements
        index = len(sorted_list)//2 
        return sorted_list[index]
    elif len(sorted_list) % 2 == 0:
        #even no. of elements
        index_1 = len(sorted_list)/2 - 1
        index_2 = len(sorted_list)/2
        mean = (sorted_list[index_1] + sorted_list[index_2])/2.0
        return mean

is-even.py

# is it even?
def is_even(x):
  return x % 2 == 0

is-it-integer.py

# is it an integer?
def is_int(x):
  return abs(x) - round(abs(x)) == 0

is-prime.py

# is a number prime?
def is_prime(x):
  if x < 2:
    return False
  else:
    for n in range(2, x-1):
      if x % n == 0:
        return False
    return True

product-int.py

def product(list):
  total = 1
  for num in list:
    total = total * num
  return total

purify-odds.py

def purify(lst):
    res = []
    for ele in lst:
        if ele % 2 == 0:
            res.append(ele)
    return res

reverse-string.py

# reverse a string
def reverse(text):
    word = ""
    l = len(text) - 1
    while l >= 0:
        word = word + text[l]
        l -= 1
    return word

score-word.py

# get a score from a word
score = {
  'a':1, 'c':3, 'b':3, 'e':1, 
  'd':2, 'g':2, 'f':4, 'i':1, 
  'h':4, 'k':5, 'j':8, 'm':3, 
  'l':1, 'o':1, 'n':1, 'q':10, 
  'p':3, 's':1, 'r':1, 'u':1, 
  't':1, 'w':4, 'v':4, 'y':4, 
  'x':8, 'z':10
}

def scrabble_score(word):
  word = word.lower()
  total = 0
  for letter in word:
    for leter in score:
      if letter == leter:
        total = total + score[leter]
  return total

sum-number.py

# turn a multidigit number into a summed number
def digit_sum(x):
    total = 0
    while x > 0:
        total += x % 10
        x = x // 10
        print(x)
    return total