Frequency of unique characters of a String

[YashSaxena9]

Frequency of characters

The following snippet finds the frequency of all unique readable characters present in a string and writes the frequency count in an output file.

Fixes #4

Type of change

Please delete options that are not relevant.

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

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 generates 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
• [X] Any dependent changes have been merged and published in downstream modules

[YashSaxena9]

Changes are done, please have a look. :)

[sakshamarora1]

The output block isn't updated yet. @YashSaxena9 Looks good and will be ready to merge after this. :D

[YashSaxena9]

Updated the output block, hope this resolves all problems now. :)

[YashSaxena9]

PRs count if:
Submitted during the month of October AND (
  The PR is labelled as hacktoberfest-accepted by a maintainer OR
  Submitted in a repo with the hacktoberfest topic AND (
    The PR is merged OR
    The PR has been approved
  )
)

I'm sorry but their's no tag regarding hacktoberfest-accepted which is compulsory for a PR to count for Hacktoberfest submission. Is this repository not counted for Hacktoberfest?

[sakshamarora1]

@YashSaxena9 I have added the appropriate label! Thanks for noticing.