ArrayFlatten.py

#Python
import numbers
import types

def arrayFlatten(A = [], b = []):
    '''This function take one or two array and recursively
        flattens array A'''

    #Based case
    #Making sure the size of A is greater than 0
    if(len(A) < 1):
        return A
    else:
        #Using a loop to go through A's contents 1 by 1
        b = []
        for i in A:
            #Making sure i is a number and not a list
            if (isinstance(i, numbers.Number) or type(i) is str):
                b.append(i)
            #if i is not a number then recursively call this function to flatten
            #i array also
            else:
                b.extend(arrayFlatten(i, b))
        #return the output to the caller
        return b


#Testing the array
print arrayFlatten([[1,2,[3]],4, [6,6,[2,77]],{9:9, 6: 0.9, 'd':5}, [[1,2,[3]],4]])

#As you can see this function flattens the array regardless of type
#Output:
#[1, 2, 3, 4, 6, 6, 2, 77, 9, 'd', 6, 1, 2, 3, 4]