4주차 about 2021-spring-python-tutoring HOT 2 CLOSED

#4주차 숙제
def binary(n):
    if n < 2:
        arrBinary.append(n)
        return arrBinary
    elif n % 2 == 0:
        arrBinary.append(0)
        return binary(n//2)
    elif n % 2 == 1:
        arrBinary.append(1)
        return binary(n//2)

arrBinary = []
n = int(input())
arrBinary = binary(n)
nBinary = ''

for i in range(len(arrBinary)-1,-1,-1):
    nBinary = nBinary + str(arrBinary[i])
print(nBinary)