题解 | #求int型正整数在内存中存储时1的个数#
求int型正整数在内存中存储时1的个数
https://www.nowcoder.com/practice/440f16e490a0404786865e99c6ad91c9
org_num = int(input())
count = 0
while org_num != 0:
i = org_num % 2
org_num = org_num // 2
if i == 1:
count+=1
print(count)