python version
python ––versiondownload python
Step 1: Download Python newest version from
https://www.python.org/downloads/
Step 2:Install Python
Step 3:Download Pycharm Community free version
Step 4:Install and open Pycharm
Step 5:Write print("Hello New World")
//Hurray you are about to start pythoninstall python3
echo This is for linux. (debian/unbuntu)
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev wget
curl -O https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz
tar -xf Python-3.7.4.tar.xz
cd Python-3.7.4
./configure --enable-optimizations
make
sudo make altinstall
python3.7 --version
cd ../python 3 download
# https://www.python.org/ftp/python/3.8.2/python-3.8.2.exePython3
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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