Results for “Python”
Small, practical examples. Search by task or narrow things down below.
Extract numbers from text
Find all runs of ASCII digits in a string and convert the matches to integers.
regex✓ Tested
Filter a list with a condition
Build a new list containing only the values that satisfy a condition using a list comprehension.
list✓ Tested
Join strings with a separator
Combine a list of strings into one readable string with a separator between each item.
string✓ Tested
List files in a folder
List the names of regular files in a folder in alphabetical order, excluding subdirectories.
directory✓ Tested
Merge two dictionaries
Combine two dictionaries into a new dictionary. When a key appears in both inputs, the value from the second dictionary wins.
dictionary✓ Tested
Parse a JSON string
Convert a JSON string into a Python dictionary and read values by key.
json✓ Tested
Parse and format a date
Convert a date string into a datetime object, then format it in a different, human-readable order.
date✓ Tested
Read a JSON file
Load a JSON document from disk into Python objects using an explicitly selected text encoding.
json✓ Tested
Read a text file
Open a UTF-8 text file and read its contents. A context manager closes the file automatically, even if reading fails.
file✓ Tested
Read CSV rows as dictionaries
Read a CSV file using its header row as dictionary keys, so each column can be accessed by name.
csv✓ Tested
Remove duplicates from a list
Remove repeated hashable values while preserving the order in which they first appeared.
list✓ Tested
Replace text in a string
Replace every occurrence of a substring and keep the result in a new string. The original string is unchanged.
string✓ Tested