#include <bits/stdc++.h>
#define LL long long
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#define REP(i,n) for(int i=0;i<n;i++)
#define REV(i,n) for(int i=n-1;i>=0;i--)
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define pri(a) cout<<a<<endl
#define prii(a,b) cout<<a<<" "<<b<<endl
using namespace std;
int main()
{
int T;
string s;
cin>>T;
getchar();
getchar();
while(T--)
{
map <string, int> mp;
set <string> st;
int cnt = 0;
while(getline(cin,s) and s[0])
{
mp[s]++;
cnt++;
st.insert(s);
}
set<string> :: iterator it;
for(it=st.begin(); it!=st.end(); it++)
{
double xx = (double) (mp[*it]*100)/cnt;
cout << *it << " " << fixed << setprecision(4) << xx << "\n";
}
if(T) puts("");
mp.clear();
st.clear();
}
return 0;
}
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