I tried to make a reel betting game through javascript and im getting an error

// 1. deposit money
// 2. determine number of lines to bet on
// 3. collect a bet amount
// 4. spin the slot machine
// 5. check if the user won or lost
// 6. give the winnings or take the money
// 7. play again



const prompt =  require("prompt-sync")();

// 4. spin the slot machine

const ROWS = 3;
const COLS = 3;

const SYMBOL_COUNT = { //THIS IS KNOWN AS AN OBJECT
    A:2,
    B:4,
    C:6,
    D:8
};

const SYMBOL_VALUES = {
    A:5,
    B:4,
    C:3,
    D:2
};


// 1. deposit money

function deposit () { // this is anothert way of making functions using es6
    while(true) { // this is to make sure that the user enters a valid amount
    const depositAmount = prompt("Enter your deposit amount: ");
    const numberDepositAmount = parseFloat(depositAmount); // this will turn a string into an integer
     if (isNaN(numberDepositAmount)/* this chcks if something is not a number*/ || numberDepositAmount <= 0){
        console.log('Invalid deposit amount, please try again');
    } else{
        return numberDepositAmount; // this will break the while loop
        }
    }
};


// 2. determine number of lines to bet on

function getNumberOfLines () {
    while(true) { // this is to make sure that the user enters a valid amount
        const lines = prompt("Enter the number of lines (1-3): ");
        const numberOfLines = parseFloat(lines); // this will turn a string into an integer
         if (isNaN(numberOfLines)/* this chcks if something is not a number*/ || numberOfLines <= 0 || numberOfLines > 3){
            console.log('Invalid amount, please try again');
        } else{
            return numberOfLines; // this will break the while loop
            }
        }
}

// 3. collect a bet amount

function getBet (balance,lines)/* it is going to be based on the balance*/ {
    while(true) { // this is to make sure that the user enters a valid amount
        const bet = prompt("Enter the bet per line: ");
        const totalBet = parseFloat(bet); // this will turn a string into an integer
         if (isNaN(totalBet)/* this chcks if something is not a number*/ || totalBet <= 0 || totalBet > balance / numberOfLines)/* this will check if there is enough*/{
            console.log('Invalid amount, please try again');
        } else{
            return totalBet; // this will break the while loop
            }
        }
}

// 4. spin the slot machine

function spin() {
    const symbols = [];// this is known as an array

    for (const[symbol, count] of Object.entries(SYMBOL_COUNT)){
        for (let i = 0; i < count; i++){
            symbols.push(symbol);
        }
    }
    const reels = []; // this represents the coloumns
    for (let i = 0; i < COLS; i++){
        reels.push([]); // this is made so that there is no erro is the no. cols is more than 3
        const reelSymbols = [...symbols];
        for(let j = 0; j < ROWS; j++){
            const randomIndex = Math.floor(Math.random() * reelSymbols.length);
            const selectedSymbol = reelSymbols[randomIndex];
            reels[i].push(selectedSymbol); //index i is gonna represent thge reel we are working on
            reelSymbols.splice(randomIndex, 1); // the one here is to remove one element 
            
        }
    }
    return reels;
};

function convertCols(reels){
    const rows = [];
    for(let i = 0; i < ROWS; i++){ // now for every single row, it will loof through every single coloumn
        rows.push([]);
        for(let j = 0; j < COLS; j++){
            rows[i].push(reels[j][i]); // here ew are accessing each coulomn then we are getting the elements in the rows of the coloumns
        }
    }
    return rows;
}

function printRows (rows){
    for (row of rows){
        let rowString = "";
        for(const [i, symbol] of row.entries()){
            rowString += row;
            if( i != row.length - 1){
                rowString += " | ";
            }
        }
        console.log(rowString);
    }
}


let balance =  deposit(); // its not a constant bcz later the balance will adjusted based on what they are betting
const numberOfLines = getNumberOfLines();
const betAmount = getBet(balance, numberOfLines);
const reels = spin();
const convert_cols = convertCols(reels);
const print_rows =  printRows(rows);

// 5. check if the user won or lost

ReferenceError: rows is not defined
    at Object.<anonymous> (D:\slot-machine\script.js:131:31) 
    at Module._compile (node:internal/modules/cjs/loader:1119:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1173:10)
    at Module.load (node:internal/modules/cjs/loader:997:32) 
    at Module._load (node:internal/modules/cjs/loader:838:12)    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
    at node:internal/main/run_main_module:18:47

Node.js v18.9.0