
python - Iterating over a dictionary using a 'for' loop, getting keys ...
Mar 16, 2017 · Why is it 'better' to use my_dict.keys() over iterating directly over the dictionary? Iteration over a dictionary is clearly documented as yielding keys. It appears you had Python 2 in mind when …
python - if/else in a list comprehension - Stack Overflow
How do I convert the following for-loop containing an if/else into a list comprehension? results = [] for x in xs: results.append(f(x) if x is not None else '') It should yield '' if x is None...
python - Importing files from different folder - Stack Overflow
I have this folder structure: application ├── app │ └── folder │ └── file.py └── app2 └── some_folder └── some_file.py How can I import a function from file.py, from within som...
How can I find where Python is installed on Windows?
Mar 15, 2009 · I want to find out my Python installation path on Windows. For example: C:\\Python25 How can I find where Python is installed?
python - Why do some functions have underscores "__" before and …
May 24, 2024 · In Python, the use of an underscore in a function name indicates that the function is intended for internal use and should not be called directly by users. It is a convention used to indicate …
python - `from ... import` vs `import .` - Stack Overflow
Feb 25, 2012 · I'm wondering if there's any difference between the code fragment from urllib import request and the fragment import urllib.request or if they are interchangeable. If they are …
python - How do I access command line arguments? - Stack Overflow
Closed 2 years ago. I use python to create my project settings setup, but I need help getting the command line arguments. I tried this on the terminal:
python - How can I add new keys to a dictionary? - Stack Overflow
How do I add a new key to an existing dictionary? It doesn't have an .add () method.
python - Count the number of occurrences of a character in a string ...
How do I count the number of occurrences of a character in a string? e.g. 'a' appears in 'Mary had a little lamb' 4 times.
python - How do I pad a string with zeros? - Stack Overflow
How do I pad a numeric string with zeroes to the left, so that the string has a specific length?