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Python

How can I use list comprehensions to process a nested list?

python
list-comprehensions
nested-lists
data-processing

How to prettyprint a JSON file?

python
pretty-printing
json-formatting
data-visualization

Convert integer to string in Python

python
string-conversion
data-types
exception-handling

How do I check the versions of Python modules?

python
prompt-engineering
importlib-metadata
virtual-environments

How to format a floating number to fixed width in Python

python
formatting
precision
alignment

Argparse optional positional arguments?

python
prompt-engineering
functions
best-practices

How to convert a dataframe to a dictionary

python
pandas
dataframe
dictionary

Url decode UTF-8 in Python

python
url-decoding
utf-8
python-3

How to add a new column to an existing DataFrame?

python
dataframe
pandas
best-practices

Adding a matplotlib legend

python
matplotlib
legend
plotting

How do I retrieve the number of columns in a Pandas data frame?

python
pandas
dataframe
data-handling

How to pretty print nested dictionaries?

python
dataframe
pandas
pretty-printing

How do I list all files of a directory?

python
file-operations
pathlib
os-module

How do I check whether a file exists without exceptions?

python
file-existence
pathlib
file-access

How can I activate a virtualenv in Linux?

python
venv
virtualenv
python-version

Extracting text from HTML file using Python

python
text-extraction
beautifulsoup
html2text

How to read a file without newlines?

python
file-handling
newline-removal
python-techniques

How should I use the Optional type hint?

python
type-hinting
python-3.10
optional-type

Convert NumPy array to Python list

python
list
numpy
dataframe

How can I format a decimal to always show 2 decimal places?

python
decimal
formatting
rounding