Activity 1,2,3

anagram and arrays.py

Activity 1 (sort_playlist.py)
def lowest(song):
    sorted_playlist = []
    min = song[0]
    for i in song:
        if i[1] < min[1]:
            min = i
    return min

def sort_playlist(playlist):
    songs = []
    for i in range(len(playlist)):
        small_time = lowest(playlist)
        songs.append(small_time)
        playlist.remove(small_time)
        i+= 1
    return songs

def select_song(playlist, time):
    sorted_playlist = sort_playlist(playlist)
    total_time = 0
    new_playlist = []
    for song in sorted_playlist:
        total_time += song[1]
        if total_time > time:
            break
        new_playlist.append(song)
    return new_playlist
    

print(select_song([('song1', 3),('song2',2),('song3', 7), ('song4', 4)], 10))


Question Number 2

def check_numbers(matrix, number)
    matrix.each do |row|
        if row[-1] >= number
            x= matrix.index(row)
            y = matrix[x].index(number)
            return x,y
        end 
    end
end

print(check_numbers([[1,2,3,4],[6,7,8,9],[10,11,12,13,14]], 11))


Activity 3(group_anagrams.rb)
def group_anagrams(anagrams)
    new_anagrams = []
    anagrams.each do |word1|
        anagrams.each do |word2|
            if word1 != word2
                new_anagrams << [word1, word2] if is_anagram?(word1, word2)
            end
        end
        anagrams.delete(word1)
    end
    return new_anagrams
end

def is_anagram?(word1, word2)
    return false if word1.length != word2.length
    word1.each_char do |character|
       if word1.count(character) == word2.count(character)
           return true
           else
           return false
       end
    end
end