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88 lines
2.1 KiB
Markdown
88 lines
2.1 KiB
Markdown
---
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id: 68ffb91507a5b645769328c9
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title: "Challenge 106: Message Validator"
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challengeType: 29
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dashedName: challenge-106
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---
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# --description--
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Given a message string and a validation string, determine if the message is valid.
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- A message is valid if each word in the message starts with the corresponding letter in the validation string, in order.
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- Letters are case-insensitive.
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- Words in the message are separated by single spaces.
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# --hints--
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`is_valid_message("hello world", "hw")` 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_valid_message("hello world", "hw"), True)`)
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}})
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```
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`is_valid_message("ALL CAPITAL LETTERS", "acl")` 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_valid_message("ALL CAPITAL LETTERS", "acl"), True)`)
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}})
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```
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`is_valid_message("Coding challenge are boring.", "cca")` 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_valid_message("Coding challenge are boring.", "cca"), False)`)
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}})
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```
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`is_valid_message("The quick brown fox jumps over the lazy dog.", "TQBFJOTLD")` 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_valid_message("The quick brown fox jumps over the lazy dog.", "TQBFJOTLD"), True)`)
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}})
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```
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`is_valid_message("The quick brown fox jumps over the lazy dog.", "TQBFJOTLDT")` 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_valid_message("The quick brown fox jumps over the lazy dog.", "TQBFJOTLDT"), False)`)
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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_valid_message(message, validation):
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return message
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```
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# --solutions--
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```py
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def is_valid_message(message, validation):
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words = message.split()
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if len(words) != len(validation):
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return False
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for word, val_letter in zip(words, validation):
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if word[0].lower() != val_letter.lower():
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return False
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return True
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```
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