All Upper II

All Upper II


Check if a given string has all symbols in upper case. If the string is empty or doesn't have any letter in it - function should return False.

Input: A string (str).

Output: A logic value (bool).


assert is_all_upper("ALL UPPER") == True
assert is_all_upper("all lower") == False
assert is_all_upper("mixed UPPER and lower") == False
assert is_all_upper("") == False

Precondition: a-z, A-Z, 1-9 and spaces.

Invalid hot key. Each hot key should be unique and valid
Hot keys:
CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

Sync solutions into your local folder

checkio sync

(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)

checkio serv -d

Alternatevly, you can install Chrome extension or FF addon

checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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