1def split_to_parts(word):
 2    left=len(word)//3
 3    right=len(word)-left
 4    if len(word)%3==2:
 5        left+=1
 6        right-=1
 7    return (word[:left],word[left:right],word[right:])
 8
 9def beginning(word):
10    return split_to_parts(word)[0]
11
12def middle(word):
13    return split_to_parts(word)[1]
14
15def end(word):
16    return split_to_parts(word)[2]
17
18def split_sentence(sentance):
19    return [split_to_parts(i) for i in sentance.split()]