逗號分隔，輸出陣列

C版

#include <stdio.h>
int main()
{
	int a[]={0,1,2,3,4,5,6,7,8};
	for(int i=0;i<9;i++)
	{
		printf(&", %d"[2*!i],a[i]);
	}
	printf("\n");
	return 0;
}

Python版

a=[0,1,2,3,4,5,6,6,7]
for i in range(len(a)):
	print(f", {a[i]}"[2 * (not i):], end='')
print()

a=[0,1,2,3,4,5,6,6,7]
print(", ".join(str(i) for i in a))

C++ 版

#include <iostream>
using namespace std;
int main()
{
	int a[]={0,1,2,3,4,5,6,7,8};
	cout<<a[0];
	for(int i=1;i<9;i++)
	{
		cout<<", "<<a[i];
	}
	cout<<endl;
	return 0;
}