Added Spy Number Calculator

[poseidonsanket]

Fixes Issue🛠️

Closes #1262

Description👨‍💻

Added a Spy number calculator and checker A number is said to be a Spy number if the sum of all the digits is equal to the product of all digits. Input : 1412 Output : Spy Number Explanation : sum = (1 + 4 + 1 + 2) = 8 product = (1 4 1 * 2) = 8 since, sum == product == 8

Type of Change📄

• [x] New feature (non-breaking change which adds functionality)

Checklist✅

• [x] I am an Open Source contributor
• [x] I have performed a self-review of my code
• [x] My code follows the style guidelines of this project

Screenshots/GIF📷

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[poseidonsanket]

@Rakesh9100 please check

[Rakesh9100]

1. Check all the spy numbers by entering 8 and then scroll the page to up, it is not going to the top. Pls fix.
2. Also, style and enhance the UI @poseidonsanket

[poseidonsanket]

@Rakesh9100 is this better or can you suggest me a design

[poseidonsanket]

@Rakesh9100 when calculating spy number above 5 it requires high computational task so the screen freezes so i have made changes that it can calculate spy numbers upto 5 digits

[Rakesh9100]

Okay, commit the new changes @poseidonsanket

[poseidonsanket]

@Rakesh9100 please check

[Rakesh9100]

Below the text 1412 is a Spy Number, also add the explanation in short how it is Spy and for non-Spy also add respectively @poseidonsanket

[poseidonsanket]

@Rakesh9100 it this okay

[Rakesh9100]

Yes fine, commit it @poseidonsanket

[poseidonsanket]

@Rakesh9100 done

[Nihal4777]

@Rakesh9100 This PR can be merged.

[poseidonsanket]

@Rakesh9100 can you add a gssoc level 1 or level 2 tag before merging

[github-actions[bot]]

Congrats, Your pull request has been successfully merged 🥳🎉 Thank you for your contribution to my project 🚀 Keep Contributing!! ✨ @poseidonsanket