how to make 1111 into 1 in python

Question

i want to make function to make from 1111 into 1 and 0000 into 0.

for the example:

Input:
['1111', '1111', '0000', '1111', '1111', '0000', '1111', '0000', '0000', '1111', '0000', '0000', '0000', '0000', '0000', '0000', '0000', '1111', '0000', '0000', '1111', '1111', '0000', '0000', '0000', '0000', '1111', '0000', '1111', '1111', '0000', '0000']

Desired output:
11011010010000000100110000101100

But i don't know how to make it or the algorithm. Can you help me?

My attempt so far:

def bagiskalar(biner):
    print(biner)
    biner = str(biner)
    n = 4
    hasil = []
    potong = [biner[i:i+n] for i in range(0, len(biner), n)]
    for a in potong:
        hasil = potong.append(a)
    
    return hasil

Answer 1

You can easily use list comprehension and the join() method:

lst = ['1111', '1111', '0000', '1111', '1111', '0000', '1111', '0000', '0000', '1111', '0000', '0000', '0000', '0000', '0000', '0000', '0000', '1111', '0000', '0000', '1111', '1111', '0000', '0000', '0000', '0000', '1111', '0000', '1111', '1111', '0000', '0000']
s = ''.join(['1' if x == '1111' else '0' for x in lst ])
print(s)
# prints 11011010010000000100110000101100