Go: package main

import "fmt"

func main() {
	for i := 1; i < 10; i++ {
		for j := 1; j < 10; j++ {
			fmt.Printf("%dx%d=%d\n", i, j, i*j)
		}
	}
}

C++: #include <iostream>

using namespace std;

int main()
{
    for (int i=1; i<=9; i++) {
        for (int j=1; j<=9; j++) {
            cout<<i<<'*'<<j<<'='<<i*j<<endl;
        }
    }
    return 0;
}

C++: #include <iostream>
using namespace std;

int main()
{
    int i,j,sum;
    for(i=1;i<=9;i++)
    for(j=1;j<=9;j++)
     cout<<i<<"*"<<j<<"="<<i*j<<"\n";
    return 0;
}

C++: #include <iostream>
using namespace std;
int main() {
	for(int i=1;i<10;i++)
	{
		for(int j=1;j<10;j++)
		{
			cout<<i<<'x'<<j<<'='<<i*j<<endl;
		}
	}
	return 0;
}

C++: #include <iostream>
using namespace std;

int main(void)
{
    for (int i = 1; i < 10; i++) {
        for (int j = 1; j < 10; j++) {
            cout << i << "x" << j << "=" << i * j << endl;
        }
    }
    return 0;
}

C++: #include <iostream>
using namespace std;

int main(){

for(int i = 1; i < 10; i++){

   for(int j = 1 ; j < 10 ; j++){

       cout << i << "x" << j << "=" << i*j << endl;

   }

}

return 0;
}

C++: #include<stdio.h>

int main(){
    int i,j;
    for(i=1;i<10;i++)
        for(j=1;j<10;j++)
            printf("%dx%d=%d\n",i,j,(i*j));
    return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
cout << "1x1=1" << endl;
cout << "2x2=4" << endl;
cout << "3x3=9" << endl;
cout << "4x4=16" << endl;
cout << "5x5=25" << endl;
cout << "6x6=36" << endl;
cout << "7x7=49" << endl;
cout << "8x8=64" << endl;
cout << "9x9=81" << endl;
return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
  int i,j;
  
  for(i=1;i<=9;i++){
    for(j=1;j<=9;j++){
      cout << i << "x" << j << "=" << i*j << endl;
    }
  }
  return 0;
}

C++: #include <bits/stdc++.h>

#define int long long int
#define main signed main()
#define bye return 0
#define loop(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n) loop(i, 0, n)
#define each(p, v) for (auto p = (v).begin(); p != (v).end(); p++)
#define all(v) (v).begin(), (v).end()
#define prec(n) fixed << setprecision(n)
#define dump(x) cerr << "(L" << __LINE__ << ") " << #x << " = " << (x) << endl
#define clr(x, a) memset(x, a, sizeof(x))

#define sum(v) accumulate(all(v), 0)
#define stlice(from, to) substr(from, (to) - (from) + 1)
#define odd(n) ((n) % 2)
#define even(n) (!odd(n))

#define INF 1000000000
#define MOD 1000000007

#define pb push_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define vi vector<int>
#define vb vector<bool>
#define vc vector<char>
     
using namespace std;

main {
  loop(i, 1, 10) cout<<i<<'x'<<i<<'='<<i*i<<endl;
  bye;
}

C++: #include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<string>
#include<algorithm>
#include<vector> 
#include<limits>
#include<numeric>
#include<type_traits>
#include<math.h>
using namespace std;

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define in(x) cin >> x
#define out(str) cout << str << endl

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }



int main(){
    rep(i,9){
        rep(j,9){
            cout<<i+1<<"x"<<j+1<<"="<<(i+1)*(j+1)<<endl;
        }
    }
}

C++: #inclde<iostream>
using namespace std;
int main()
{int c,i;
for(i=1;i<10;i++)
{c=1*i
cout<<"1x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=2*i
cout<<"2x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=3*i
cout<<"3x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=4*i
cout<<"4x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=5*i
cout<<"5x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=6*i
cout<<"6x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=7*i
cout<<"7x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=8*i
cout<<"8x"<<i<<"="<<c<<endl;
}
for(i=0;i<;i++)
{c=9*i
cout<<"9x"<<i<<"="<<c<<endl;
}
return 0;
}

C++: #include<iostream>
using namespace std;

int main()
{
	for(int i=1;i<=9;i++)
		for(int j=1;j<=9;j++)
			cout<<i<<"x"<<j<<"="<<i*j<<endl;
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define FOR(i, s, n) for(int i = s; i < (int)n; i++)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= (int)n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << "\n"
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define MP make_pair
#define EACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define CLR(a) memset((a), 0 ,sizeof(a))
#define NCLR(a) memset((a), -1 ,sizeof(a))
#define dump(x) cout << #x << " = " << (x) << "\n";
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << "\n";
#define sq(n) (n) * (n)
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef priority_queue<int> maxpq;
typedef priority_queue< int, vector<int>, greater<int> > minpq;
typedef complex<double> P;
static const double EPS = 1e-10;
static const double PI = acos( -1.0 );
static const int mod = 1000000007;
static const int INF = 1 << 29;
static const LL LL_INF = 1152921504606846976;
static const int dx[] = { -1, 0, 1, 0, 1, -1, 1, -1 };
static const int dy[] = { 0, -1, 0, 1, 1, 1, -1, -1 };


int main() {
#ifdef _DEBUG
	printf( "debug\n" );
#endif
	for ( int i = 1; i < 10; i++ ) {
		for ( int j = 1; j < 10; j++ ) {
			printf( "%dx%d=%d\n", i, j, i * j );
		}
	}
	return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
  for(int i = 1 ; i <= 9 ; i++ ){
    for(int t = 1 ; t <= 9 ; t++){
      cout << i << "x" << t << "=" << i*t << endl;
    }
  }
  return 0;
}

C++: #include<iostream>
using namespace std;

int main(){

    return 0;
}

C++: int i,j;main(){for(;++i<=9;)for(j=1;j<=9;)printf("%dx%d=%d\n",i,j++,i*j);}

C++: #include <iostream>

#define rep(i, n) for(int i = 1; i <= n; i ++)

using namespace std;

int main(void){
	rep(i, 9)rep(j, 9) cout << i << "x" << j << "=" << i * j << endl;

	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <vector>

int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);

    for(int i=1; i<=9; ++i){
        for(int j=1; j<=9; ++j){
            std::cout << i << "x" << j << "=" << i*j << "\n";
        }
    }
    return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
	for (int x = 1; x <= 9; x++) {
		for (int y = 1; y <= 9; y++) {
			cout << x << "x" << y << "=" << x * y << endl;
		}
	}
	return 0;
}

C++: #include <stdio.h>

int main(){
	int i,j;
	for(i=1;i<=9;i++){
		for(j=1;j<=9;j++){
			printf("%dx%d=%d\n",i,j,i*j);
		}
	}
	return 0;
}

C++: #include<stdio.h>
int main(void)
{
for(int f1=1;f1<=9;f1++){
for(int f2=1;f2<=9;f2++){
printf("%dx%d=%d\n",f1,f2,f1*f2);
}
}
return 0;
}

C++: #include <iostream>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <algorithm>
#include <utility>
#include <queue>

using namespace std;
int main(){
	for(int i=1;i<10;i++){
		for(int j=1;j<10;j++){
			cout<<i<<"x"<<j<<"="<<i*j<<"\n";
		}
	}
	return 0;
}

C++: #include<stdio.h>
int main(){int i=1,j;for(;i<=9;i++)for(j=1;j<=9;j++)printf("%dx%d=%d\n",i,j,i*j);}

C++: class Main {
    public static void main(String[] a) {
	for(int i=1; i<=9; i++) {
	    for(int j=1; j<=9; j++) {
		System.out.println(i+"x"+j+"="+i*j);
	    }
	}
    }
}

Python: print(*[str(a)+'x'+str(b)+'='+str(a*b) for a in range(1,10) for b in range(1,10)], sep='\n')

Python: M = 9
N = 9

def main():
    for i in range(1,M+1,1):
        for j in range(1,N+1,1):
            mult = i * j
            print(str(i) + "x" + str(j) + "=" + str(i * j))
main()