My program is too slow. There are many tricks to speed up Python code; consider rewriting parts in C as a. The top line is what tells the operating system that this is a Python 3 program. It says where to find the right Python interpreter to process the rest of the script. Or: Bad command or filename then you need to make sure that your computer knows where to find the Python interpreter. To do this you will have to modify a setting. Running Python in a Browser Is More Awesome Than You Think. It started with a lab experiment for my daughter’s class. The assignment was to take 2. Shake up the box and then open it and remove all the pennies with “heads” facing up. Count the number of pennies left and then repeat the process until there are no more pennies. You might be able to guess that this simple activity gives students an appreciation for radioactive decay and maybe even the idea of half life. As far as it goes, it’s not a bad experiment. However, my daughter wasn’t pleased. No one wants to count all these pennies. ![]() Where do I find 2. She was at home and I was away, but I told her that I would write a simple python script that will simulate the same thing. It shouldn’t be too hard to create something cool (which is why python is awesome). What if I make the script now and share it with her online? That’s exactly what you can do with trinket. This is the quick program I put together to simulate the penny shaking experiment. Yes, with trinket. ![]() ![]() You just run it in your browser. Alas, at the time I sent this to my daughter she wasn’t near a computer. It also runs on your phone. Later that night, I showed her the code and we talked about how it worked. It wasn’t just a demo that she watched, she could change the number of pennies and see what happens. Even better, the code can do things you can’t do with real pennies. In line 1. 3 it says Nc = NC +choice(. This picks either 1 or 0. A zero would be heads and removed from the count. ![]() What happens if I change the choice to choice(? Go ahead and change that and see if it makes sense. Even Better Uses For Trinket. If you can run this simulation on a phone, couldn’t you write some program and also run it on my phone. It’s sort of like a mini app that you can write in python and share with others. Here is another example – a tip calculator. I know that’s a silly thing, but it’s still fun. Yup, it runs on your phone (well, it runs on my i. OS device). In fact, I even made a quick url for it – j. Ok, I can’t stop. This is a quadratic equation solver. ![]() I could make more examples, but I won’t. Instead I will assign them as homework. Improve my tip calculator. I don’t think I even need suggest something you could do to make it better. Just make it better. How to write an Hadoop MapReduce program in Python with the Hadoop Streaming API. TinyWebDB is an App Inventor component that allows you to access the web from an Android app. You can use TinyWebDB to access a data source (API) or to. I just started working on python and I have been trying to run an outside executable form python. I have an executable for a program written in Fortran. Chapter 1: Create a Custom Calculator (Hi! If you don't already have a machine with Python and Pygame installed, then hop back to the “foreward” section to. What about a plotting program. Enter the coefficients of a polynomial and the range over which to plot and then BOOM—your graph appears. Here is an excellent tutorial on making graphs with Trinket. A cross product calculator. Enter two vectors and it returns the cross product of these vectors. A program that finds the solution of a linear and quadratic equation. You might want to do this either by plotting or with a numerical solution. Random student picker. Create a program that has a list of all the students in your class. When you run it, it randomly picks one student so that you can have that student answer a question. Skip To: Start of Article. Using python to run another program? I have a program that I run from the command line that looks like this: $ program a. The program requires two text files as arguments. I am trying to write a Python 3. Currently, I am trying to use the subprocess module like this: import subprocess. Unfortunately, after reading these posts, I still can't seem to make my Python code run my program.
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August 2017
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