IT Systems, Networks, Security and Education
A collection of materials for the beginning Python student.
This is post 1 of 5 in the series “Introduction to Python” Book: A Smarter Way to Learn Python, Mark Myers Lessons and Curricula I recommend studying Python from multiple sources: our book, online training and videos. Our Book We’ll cover lessons in A Smarter Way, and as we cover chapters we’ll look at the …
This is post 2 of 5 in the series “Introduction to Python” Which Text Editor Should You Choose? This is the kind of question that’ll get you into a war on Reddit. Do some quiet research before asking online. If you’re comfortable using vi or vim, they’re perfectly fine. Beginners don’t usually start with vi …
This is post 3 of 5 in the series “Introduction to Python” We’re going to start with Chapter 1 of A Smarter Way. 1. Open a Linux terminal. Then run the command: python 2. Simple Print Output: “Hello World” print(“Hello, World!”) Older versions of Python (most often the classic 2.7) can use slightly different syntax: …
Continue reading “Python: Hello World and Variables, Strings and Numbers”
This is post 4 of 5 in the series “Introduction to Python” Let’s start out on this highly detailed page on handling lists: http://introtopython.org/lists_tuples.html Yes, this is a beast of a topic, and yes, you’ll be using these functions a lot. Note two things at the bottom of this page. First, see the heading …
#!/bin/bash # Runs ftpTest.py to do pexpect session, checks if the file downloaded successfully, cleans up when done cleanup(){ rm -f — InRelease } ftpTest.py if [[ -r InRelease ]] ;then echo “Transfer succeeded” cleanup exit 0 fi echo “Failed to transfer” cleanup exit 10
#!/usr/bin/python # Connects to a public ftp server, downloads a file import pexpect import sys child = pexpect.spawn(‘ftp ftp.ubuntu.com’) child.logfile = sys.stdout child.expect(‘Name’) child.sendline(‘anonymous’) child.expect(‘Password’) child.sendline(‘anonymous’) child.expect(‘ftp>’) child.sendline(‘cd /ubuntu/dists/xenial’) child.expect(‘ftp>’) child.sendline(‘get InRelease’) child.expect(‘ftp>’) child.sendline(‘quit’)
This is post 5 of 5 in the series “Introduction to Python” Go to Chapter 4 of A Smarter Way. 1. Assigning a number value to a variable: my_number = 4 2. Assigning a number by doing math: another_number = 2 + 2 3. Doing math directly with variables: my_sum = my_number + another_number Go …