bridge_shuffle.py

def bridge_shuffle(arr1, arr2):

    len1, len2 = len(arr1), len(arr2)
    ans = []

    i = 0
    while True:
        if i < len1:
            ans.append(arr1[i])
        else:
            if not i < len2:
                break

        if i < len2:
            ans.append(arr2[i])

        i += 1
    
    return ans

array1 = [1, 3, 5, 7]
array2 = [2, 4, 6]

shuffled_array = bridge_shuffle(array1, array2)
print(shuffled_array)