Added source code for Compare string by frequency of smallest character

[abhinav5481]

Related Issues

• Compare string by frequency of smallest character

Closes: #275

Describe the changes you've made

I have written the source code for the given problem.

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Code style update (formatting, local variables)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] This change requires a documentation update

How Has This Been Tested?

I have tested it on my Anaconda Powershell Prompt

Describe if there is any unusual behaviour of your code(Write NA if there isn't)

NA

Checklist:

• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [x] I have added tests that prove my fix is effective or that my feature works.
• [x] New and existing unit tests pass locally with my changes.

Screenshots

Original	Updated
original screenshot	updated screenshot

Please review my code & let me know if any changes are required.

[abhinav5481]

Hi @ankitapuri Please review my code.

[abhinav5481]

Okay.

[abhinav5481]

Hi @ankitapuri I have added comments in my code. Please review & merge it.