Merge two Strings Python

PROGRAM TO MERGE TWO STRINGS IN CHUNKS OF GIVEN SIZE

# Function performing the calculations

def solve(a, b, k):

    s = ""

  

    # Length of string a

    la = len(a)

  

    # Length f string b

    lb = len(b)

    l = la + lb

  

    # Pointers for string

    # a and string b

    indexa = indexb = 0

      

    while l:

        # pa and pb denote the number

        # of characters of both

        # a and b extracted

        pa = pb = 0

  

        # If entire substring of length

        # k can be extracted

        if la - indexa >= k:

            s = s + a[indexa : indexa + k]

            indexa = indexa + k

            pa = k

  

        # If the remaining string is

        # of length less than k

        elif la - indexa < k and la - indexa:

            s = s + a[indexa : la]

            pa = la - indexa

            indexa = la

  

        # If the string has been

        # traversed

        elif indexa >= la:

            pa = 0

  

        # If entire substring of

        # length k can be extracted

        if lb - indexb >= k:

            s = s + b[indexb : indexb+k]

            pb = k

            indexb = indexb + k

  

        # If the remaining string is of

        # length less than k

        elif lb - indexb < k and lb - indexb:

            s = s + b[indexb : lb]

            pb = lb - indexb

            indexb = lb

  

        # If the string has been

        # traversed

        elif indexb >= lb:

            pb = 0

        l = l - pa - pb

          

    print(s)

  

  

# Driver function

a = "determination"; b = "stance"

k = 3

solve(a, b, k)







OUTPUT

detstaermnceination

CREDITS: https://www.geeksforgeeks.org/merge-two-strings-chunks-given-size/