-bash: python: command not found error and solution

I am a new user and trying to run Python program. I have a cloud based VM/VPS and when I type python mycode.py at the terminal of my server, I get the following error:
-bash: python: command not found
How do I solve this problem on my Linux or Unix server?
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awk / cut: Skip First Two Fields and Print the Rest of Line

I would like to skip first two or three fields at the the beginning of a line and print the rest of line. Consider the following input:
This is a test Giving back more than we take
I want my input file with the following output:
a test more than we take
How do I printing lines from the nth field using awk under UNIX or Linux operating systems?
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Linux / UNIX: Run Command a Number of Times In a Row

How do I run “foo” command 10 times (or n times) under Linux or UNIX like operating systems?
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vi / vim: Jump To End Of File Command

I‘m using vim as a text editor and editing a large code file written in python. How do I jump to end of file using vim text editor under Apple Mac OS X Unix or Linux operating systems?
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