mvallebr

def _le(left, right):
    return left if left <= right else right


def merge(left, right, cmp=_le):
    """
    Merges two ordered iterables (left and right) keeping result ordered according to cmp.
    :param left: iterable
    :param right: iterable
    :param cmp: callable which receive one element from left and another from right and returns the on to be merged.

mvallebr

def primes_up_to(N):
    sieve = N*[True]
    for i in range(2, N):
        if not sieve[i]: continue
        yield i
        for j in range(i*i, N, i):
            sieve[j] = False

mvallebr

num = int(input("Escolha um número decimal para transformar em binario: "))                                              
                                                                                                                         
result = []     
zero = '0'
while num > 0:                                                                                                           
    num, bit = divmod(num, 2)                                                                                            
    result.append(bit)                                                                                                   
    zero = ''
    
# Imprimir em ordem inversa