Pangram checker

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This page is the answer to the task Pangram checker in the Rosetta Code.

Description (from Rosetta Code)

A pangram is a sentence that contains all the letters of the English alphabet at least once.

For example: The quick brown fox jumps over the lazy dog.

Task

Write a function or method to check a sentence to see if it is a pangram (or not) and show its use.

Program

The same program when the flowchart package visualization is selected. Click/tap to enlarge

PangramCheckerCode.png

Example

PangramCheckerExample1.png