In [9]:

    

def join(a, b):
    length = len(a) if len(a) < len(b) else len(b)
    return [[a[i], b[i]] for i in range(length)]

print(join([], []))
print(join([], ["a","b","c"]))
print(join([1,2], ["a","b","c"]))
print(join([1,2,3], ["a","b","c"]))


    

    




[]
[]
[[1, 'a'], [2, 'b']]
[[1, 'a'], [2, 'b'], [3, 'c']]

In [15]:

    

def split(l):
    result_a = []
    result_b = []
    
    for i in range(len(l)):
        result_a.append(l[i][0])
        result_b.append(l[i][1])
    
    return result_a, result_b

print(split([[1, 'a'], [2, 'b'], [3, 'c']]))
print(split([[1, 'a']]))
print(split([]))


    

    




([1, 2, 3], ['a', 'b', 'c'])
([1], ['a'])
([], [])

In [27]:

    

def shaker_sort(l):
    result = l.copy()
    for j in range(len(result)):
        for i in range(j, len(result)-1):
            if result[i] > l[i+1]:
                result[i], result[i+1] = result[i+1], result[i]
        for i in range(len(l)-1, j, -1):
            if result[i-1] > result[i]:
                result[i-1], result[i] = result[i], result[i-1]  
    return result

print(shaker_sort([7,5,11,10,8]))
print(shaker_sort([2, 6, 8, 1, 7, 9, 4, 3, 5]))
print(shaker_sort([10, 11, 3, 2, 5, 8, 1]))
print(shaker_sort([10, 3, 2, 5, 8, 1]))


    

    




[5, 7, 8, 10, 11]
[1, 2, 3, 4, 5, 6, 7, 8, 9]
[1, 2, 3, 5, 8, 10, 11]
[1, 2, 3, 5, 8, 10]

In [39]:

    

def odd_even_sort(l):
    l = l.copy()
    
    for j in range(len(l)):
        for i in range(1, len(l)-1, 2):
            if l[i] > l[i+1]:
                l[i], l[i+1] = l[i+1], l[i]
        for i in range(0, len(l)-1, 2):
            if l[i] > l[i+1]:
                l[i], l[i+1] = l[i+1], l[i]
    return l

print(odd_even_sort([1,7,5,2,6]))
print(odd_even_sort([2, 6, 8, 1, 7, 9, 4, 3, 5]))
print(odd_even_sort([10, 11, 3, 2, 5, 8, 1]))
print(odd_even_sort([10, 3, 2, 5, 8, 1]))


    

    




[1, 2, 5, 6, 7]
[1, 2, 3, 4, 5, 6, 7, 8, 9]
[1, 2, 3, 5, 8, 10, 11]
[1, 2, 3, 5, 8, 10]

In [ ]: