Determine if a sentence is a pangram. A pangram (Greek: παν γράμμα, pan gramma, "every letter") is a sentence using every letter of the alphabet at least once. The best known English pangram is:
The quick brown fox jumps over the lazy dog.
The alphabet used consists of ASCII letters a
to z
, inclusive, and is case
insensitive. Input will not contain non-ASCII symbols.
It pays off to carefully read the exercise description as this can simplify your solution and make it quite compact.
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