Integer Palindrome
You need to determine whether the given integer (in base 10) is a palindrome or not in base B. Base (or radix) is written as subscript text. A number is a palindrome if it reads the same in both directions, for example 12110 is a palindrome, and 12210 is not. If the integerB is a palindrome, return True, if not, return False. Read more about number bases.
The most common base is decimal. To convert an integer10 to another base you need to divide it by base and take reminders until the number becomes equal zero. Let's look at the following example - convert integer 610 into the binary form 62.
| Integer | Quotient | Reminder | Normal | Reversed |
|---|---|---|---|---|
| 6 | 3 | 0 | 0 | 0 |
| 3 | 1 | 1 | 10 | 01 |
| 1 | 0 | 1 | 110 | 011 |
| 0 |
To return back to the decimal form, start from zero, multiply by base and add reminders. For 62 == 110 it's (((0*2) + 1)*2 + 1)*2 + 0 = 6.
Input: Given integer and base B (integer).
Output: Bool.
Examples:
assert int_palindrome(6, 2) == False assert int_palindrome(34, 2) == False assert int_palindrome(455, 2) == True
Preconditions:
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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