make python use python3
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10make python use python3
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10python
Python is an interpreted,
high-level and general-purpose
programming language.
Created by Guido van Rossum
and first released in 1991, Python's
design philosophy emphasizes code
readability with its notable use of
significant whitespace. WikipediaPython3
Input: nums = [-1,0,3,5,9,12], target = 9
Output: 4
Explanation: 9 exists in nums and its index is 4Copyright © 2021 Codeinu
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