def a(s):
x=1
count=0
b=bin(s)
print(b)
count=b.count('1')
print(count)
s=int(input("请输入一个正整数"))
a(s)
def a(s):
x=1
count=0
b=bin(s)
print(b)
count=b.count('1')
print(count)
s=int(input("请输入一个正整数"))
a(s)
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