a:array of char;
b:array of char="hello world\n";
a="hello world\n";
i:int;
for(i=0; i<len a;i=i+1)
	print(a[i]);
b[0]='c';
b[1]='i';
b[2]='a';
b[3]='o';
b[4]=',';
for(i=0; i<len b;i=i+1)
	print(b[i]);
