I’m working on a contact book application to improve my python skill, so far I’ve created functions to add new contact, view existing contact, but I’m stuck on a function to edit them, I don’t know how to tackle this task (note that editing and adding information is based on user input), currently the only information this application is recording are name, phone number and/or email (if user entered an email).
I want to create a Python program which takes in multiple lines of user input. For example:
I’m using raw_input in Python to interact with user in shell.
You know how in Linux when you try some Sudo stuff it tells you to enter the password and, as you type, nothing is shown in the terminal window (the password is not shown)?
I currently teach first year university students python, and I was surprised to learn that the seemingly innocuous input function, that some of my students had decided to use (and were confused by the odd behaviour), was hiding a call to eval behind it.
I am running this: import csv import sys reader = csv.reader(open(sys.argv[0], "rb")) for row in reader: print row And I get this in response: ['import csv'] ['import sys'] ['reader = csv.reader(open(sys.argv[0]', ' "rb"))'] ['for row in reader:'] [' print row'] >>> For the sys.argv[0] I would like it to prompt me to enter a filename. … Read more
I’m trying to make a multiple choice survey that allows the user to pick from options 1-x. How can I make it so that if the user enters any characters besides numbers, return something like “That’s an invalid answer”
How to write tests where conditions like the following arise:
I just started learning my first real programming language, Python. I’d like to know how to constrain user input in a raw_input to certain characters and to a certain length. For example, I’d like to show an error message if the user inputs a string that contains anything except the letters a-z, and I’d like to show one of the user inputs more than 15 characters.