Add binary

Problem to add the binary values.

Example-1:

Input    : a = "100"  b = "11"
Output   : "111"
Explain  : "100" decimal value is 4."11" decimal value is 3.So 4+3=7.
            The binary value of 7 is "111".

Example-2:

Input    : a = "101"  b = "101"
Output   : "1010"
Explain  : "101" decimal value is 5."101" decimal value is 5.So 5+5=10.
            The binary value of 10 is "1010".

Solution

a = "100"

b = "11"

a = a[::-1]

b = b[::-1]

sum = 0

k = 0

for i in range(len(a)):

    if(a[i] == "1"):

        sum += 2**i

for i in range(len(b)):

    if(b[i] == "1"):

        k += 2**i

a1 = sum+k

b1 = bin(a1)

c = b1[2:]

print(c)

Output