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// Q.1 Print all even number from 100..

for (let i = 0; i<=100; i++) {
  // console.log(i);
  if (i % 2 == 0) {
    console.log(i);
  }
}

// Q.2 Guessing Correct number by user in loop..

let userInput = prompt("Enter Your Guessed Number: ");
while (userInput != 87) {
  userInput = prompt("Enter Your Guessed Number: ");
}
console.log("You Guessed Correct Number 87..");

// Print Fibonacci Series

#include <stdio.h>

int main() {
  int i, userInput, fibo, firstNum = 0, secondNum = 1;

  printf("Enter a number count to print Fibonacci Series: ");
  scanf("%d", &userInput);

  for (i=0; i<userInput; i++) {
    fibo = firstNum;
    firstNum = secondNum + fibo;
    secondNum = fibo;

    printf("%d\n", fibo);
  }
  return 0;
}

// Infinite loop in C
// Note:- Don't try for long intervel of time ....
#include <stdio.h>

int main() {
    for( int i = 0; ; i++ ) {
        printf("%d", i);
    }
    return 0;
}

# Easy method to find largest number from 4 nuumbers
def largestNum(a, b, c, d):
    if a>b:
        if a>c:
            if a>d:
                print(a)
            else:
                print(d)
        else:
            if c>d:
                print(c)
            else:
                print(d)
    else:
        if b>c:
            if b>d:
                print(b)
            else:
                print(d)
        else:
            if c>d:
                print(c)
            else:
                print(d)

x = int(input(""))
y = int(input(""))
z = int(input(""))
m = int(input(""))

fine = largestNum(x, y, z, m)
print(fine)

// Print Fibonacci series
import java.util.Scanner;

public class FibonacchiSeries {
    public static void main(String[] arg) {
        Scanner userInput = new Scanner(System.in);
        System.out.print("Enter a number: ");
        int num = userInput.nextInt();
        int fibbo, firstNum = 0, secondNum = 1;
        for(int i=0; i<num; i++) {
            fibbo = firstNum;
            firstNum = secondNum + fibbo;
            secondNum = fibbo;

            System.out.println(fibbo);
        }
    }
}

# Finding factorial using Recursion...

def factorial(n):
    if n==0:
        return 1
    else:
        return n*factorial(n-1)

num = int(input("Enter a number: "))
print(factorial(num))

## Armstrong number finder.....

num = input("Enter a number: ")

length = len(num)
summ = 0

for i in range(length):
    summ += int(num[i]) ** length
print(summ)

if summ == int(num):
    print(f"{num} is an Armstrong Number.")
else:
    print(f"{num} is not an Armstrong Number.")

# Question:
# Write a program which will find all such numbers which are divisible by 7
# but are not a multiple of 5, between 2000 and 3200 (both included).
# The numbers obtained should be printed in a comma-separated sequence on a single line.
# i = 2000

list1 = []
for i in range(2000, 3200):
    if i%7 == 0:
        if i%5 != 0:
            list1.append(i)

print(list1)

## Try ….

char = input("Enter Your Name: ")
myDict = {}
for i in char:
    myDict[i] = ord(i)
print(myDict)

## using last digit of intiger...

def binary(n):
    sum = 0
    pow = 0
    while n != 0:
        n2 = n % 10
        n //= 10
        sum += (2 ** pow) * n2
        pow += 1
    return sum

print(binary(int(input("Enter a Binary Number: "))))

## using string length

def binary(n):
    summ = 0
    j = 0
    i = len(n) - 1
    while i >= 0:
        summ += (2 ** j) * int(n[i])
        j += 1
        i -= 1
    return summ
print(binary(input("Enter a Binary Digit: ")))

public static int binary(int n) {
        int sum = 0, pow = 0;

        while(n != 0) {
            int n2 = n%10;
            n = n / 10;
            sum += Math.pow(2, pow)*n2;
            pow++;
        }
        return sum;
    }
    public static void main(String[] arg) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a Binary Number: ");
        int num = sc.nextInt();

        System.out.print(binary(num));
    }

public static int binaryToDec(int n) {
        int sum = 0, j = 0;
        int i = String.valueOf(n).length() - 1;
        while (i >= 0) {
            sum += Math.pow(2, j)*Character.getNumericValue(String.valueOf(n).charAt(i));
            j++;
            i--;
        }
        return sum;
    }
    public static void main(String[] arg) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter binary Number: ");
        int bin = sc.nextInt();

        System.out.print(binaryToDec(bin));
    }

* * * * * 
*       * 
*       * 
* * * * *

def hollow_pattern(row, col):
    for i in range(1, row+1):
        for j in range(1, col+1):
            if i == 1 or i == row or j == 1 or j == col:
                print('* ', end='')
            else:
                print('  ', end='')
        print('')


hollow_pattern(
    int(input("Enter the number of row: ")),
    int(input("Enter the number of column: "))
)

import java.util.*;
public class decimaltoBinary {
    public static int tobinary(int num) {
        int binary = 0, j = 0;
        while (num != 0) {
            binary += (num % 2) * Math.pow(10, j);
            num /= 2;
            j++;
        }
        return binary;
    }
    public static int todecimal(int num) {
        int decimal = 0, j = 0;
        while (num !=0) {
            int rem = num % 10;
            decimal += rem * (int)(Math.pow(2, j));
            num /= 10;
            j++;
        }
        return decimal;
    }
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Type `0` for Decimal to binary.\nType `1` for Binary to decimal\n\nEnter your choice: ");
        int choice = sc.nextInt();

        if(choice == 0) {
            System.out.print("Enter a decimal number: ");
            int num = sc.nextInt();
            System.out.println("The binary of " + num + " is " + tobinary(num));
        } else if(choice == 1) {
            System.out.print("Enter a binary number: ");
            int num = sc.nextInt();
            System.out.println("The decimal of " + num + " is " + todecimal(num));
        } else {
            System.out.println("Invalid choice!");
        }
        
    }
}