C++ :

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	for(int i=1;i<=a;i++)
	cout<<"!";
	return 0;
}

Python :

# coding=utf-8
n=int(input())
for i in range(1,n+1):
    print("!",end="")