Python statsmodels ols In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it is necessary to be familiar with. Feb 25, 2012 · I'm wondering if there's any difference between the code fragment from urllib import request and the fragment import urllib. How do I call an external command within Python as if I had typed it in a shell or command prompt? I have this folder structure: application ├── app │ └── folder │ └── file. Some notes about psuedocode: := is the assignment operator or = in Python = is the equality operator or == in Python There are certain styles, and your mileage may vary: An @ symbol at the beginning of a line is used for class and function decorators: PEP 318: Decorators Python Decorators - Python Wiki The most common Python decorators are: @property @classmethod @staticmethod An @ in the middle of a line is probably matrix multiplication: @ as a binary operator. I'm not sure what this is and 2. In Python this is simply =. py How can I import a function from file. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm implementation. Mar 20, 2013 · Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f. keys() returns a view of the dictionary keys, so any change to my_dict changes the view as well. Python slicing is a computationally fast way to methodically access parts of your data. I don't know how to use it, and thats why I've come here. py └── app2 └── some_folder └── some_file. 1. request or if they are interchangeable. O. and on Google but to no avail. readline()[:-1] Have searched on here on S. If they are interchangeable, wh Mar 15, 2009 · I want to find out my Python installation path on Windows. py, from within som Jul 16, 2020 · PermissionError: [Errno 13] Permission denied: 'C:\\Users\\****\\Desktop\\File1' I looked on the website to try and find some answers and I saw a post where somebody mentioned chmod. For example: C:\\Python25 How can I find where Python is installed? In Python this is simply =. For example: C:\\Python25 How can I find where Python is installed?. Mar 16, 2017 · In Python 3, the iteration has to be over an explicit copy of the keys (otherwise it throws a RuntimeError) because my_dict.