Is there a way in Python to list all installed packages and their versions? I know I can go inside python/Lib/site-packages and see what files and directories exist, but I find this very awkward. ...

Try not to use python built in functions and variables as local variables (ex: today, year, day). Also, the request from the user is to get today's date in YYYY-MM-DD format.

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 do I determine: the current directory (where I was in the shell when I ran the Python script), and where the Python file I am executing is?

Closed 5 years ago. So I have recently installed Python Version 2.7.5 and I have made a little loop thing with it but the problem is, when I go to cmd and type python testloop.py I get the …

How do I write JSON data stored in the dictionary data to a file? f = open ('data.json', 'wb') f.write (data) This gives the error: TypeError: must be string or buffer, not dict

How can I get the value of an environment variable in Python?

3 If the Python version you installed is 3.6.1, you can print strings and a variable through a single line of code. For example the first string is "I have", the second string is "US Dollars" and the …

How do I check whether a file exists or not, without using the try statement?

if not a: # do this! print('a is an empty list') PEP 8 PEP 8, the official Python style guide for Python code in Python's standard library, asserts: For sequences, (strings, lists, tuples), use the fact …