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114 lines
2.5 KiB
Markdown
114 lines
2.5 KiB
Markdown
---
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id: 6821ec02237de8297eaee79a
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title: "Challenge 24: Pangram"
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challengeType: 29
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dashedName: challenge-24
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---
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# --description--
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Given a word or sentence and a string of lowercase letters, determine if the word or sentence uses all the letters from the given set at least once and no other letters.
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- Ignore non-alphabetical characters in the word or sentence.
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- Ignore letter casing in the word or sentence.
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# --hints--
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`is_pangram("hello", "helo")` should return `True`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("hello", "helo"), True)`)
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}})
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```
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`is_pangram("hello", "hel")` should return `False`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("hello", "hel"), False)`)
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}})
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```
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`is_pangram("hello", "helow")` should return `False`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("hello", "helow"), False)`)
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}})
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```
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`is_pangram("hello world", "helowrd")` should return `True`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("hello world", "helowrd"), True)`)
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}})
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```
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`is_pangram("Hello World!", "helowrd")` should return `True`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("Hello World!", "helowrd"), True)`)
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}})
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```
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`is_pangram("Hello World!", "heliowrd")` should return `False`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("Hello World!", "heliowrd"), False)`)
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}})
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```
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`is_pangram("freeCodeCamp", "frcdmp")` should return `False`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("freeCodeCamp", "frcdmp"), False)`)
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}})
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```
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`is_pangram("The quick brown fox jumps over the lazy dog.", "abcdefghijklmnopqrstuvwxyz")` should return `True`
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_pangram("The quick brown fox jumps over the lazy dog.", "abcdefghijklmnopqrstuvwxyz"), True)`)
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}})
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```
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# --seed--
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## --seed-contents--
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```py
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def is_pangram(sentence, letters):
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return sentence
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```
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# --solutions--
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```py
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import re
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def is_pangram(sentence, letters):
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used_letters = []
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for char in sentence.lower():
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if re.match(r'[a-z]', char) and char not in used_letters:
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used_letters.append(char)
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sorted_letters = ''.join(sorted(letters.lower()))
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sorted_used_letters = ''.join(sorted(used_letters))
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return sorted_letters == sorted_used_letters
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```
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