how to check if python is installed code example

Example 1: how to check python version

# To check your Python version in the command line use:
python --version

# To check your Python verson inside a script use:
import sys
print(sys.version)

Example 2: terminal python version

# in python
$ python --version

# in python3
$ python3 --version

Example 3: how to find where python is located

>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'

Example 4: python check version

python --version

Example 5: check corently installed epython version

python3 --version

Example 6: python version command

import sys
print(sys.version)