Python no found Ubuntu 20.04

[patop]

When try to run a program, in the terminal it shows "there was an error creating the child process for this terminal Failed to run child process "python" (File or directory does not exist)". but python is intalled

[790680d498db]

Press view code on atom-python-run extension page. Modify desired occurrences of 'call': 'python' in class Shell of lib/terminal.js such that proper python executable is launched.