Overview of Collections – dict and tuple¶ Let us get an overview of dict and tuple as part of the Python Collections. Overview of dict and tuple Common Operations Accessing Elements – tuples Accessing Elements – dict Manipulating dict Common Examples – dict List of tuples List of dicts
Exception Handling for lists and sets¶ In [1]: l = [1, 2, 3, 4] In [2]: l[4] ————————————————————————— IndexError Traceback (most recent call last) /tmp/ipykernel_99/3011213518.py in <module> —-> 1 l[4] IndexError: list index out of range In [3]: l.pop(4) ————————————————————————— IndexError Traceback (most recent call last) /tmp/ipykernel_99/4109986001.py in <module> —-> 1 l.pop(4) IndexError: pop index out of range …
Sorting list of delimited strings¶ Let us perform a task to sort employees based upon their salary using employees list. We will create employee list in the form of comma separated or delimited strings. Employee list will contain employee id, email and salary. In [1]: employees = [ ‘1,ktrett0@independent.co.uk,6998.95’, ‘2,khaddock1@deviantart.com,10572.4’, ‘3,ecraft2@dell.com,3967.35’, ‘4,drussam3@t-online.de,17672.44’, ‘5,graigatt4@github.io,11660.67’, ‘6,bjaxon5@salon.com,18614.93’, ‘7,araulston6@list-manage.com,11550.75’, ‘8,mcobb7@mozilla.com,17016.15’, …
Sorting Data in lists and sets¶ Let us go through the details about sorting data in lists and sets. We can use sorted function to sort any collection – list, set, dict or tuple. For now, let’s focus on list and set. sorted always returns a new list. We typically assign it to a new …
List of Delimited Strings¶ Let us get into the details about list of delimited strings. Here is an example of a delimited string – ‘1,ktrett0@independent.co.uk,6998.95’. Delimiter is a synonym for Separator. It has values related to 3 attributes – employee id, email and salary. Comma (,) is the delimiter that is used in this string. …
list and set – Usage¶ Let us see some real world usage of list and set while building Python based applications.* list is used more often than set. Reading data from file into a list Reading data from a table into a list We can convert a list to set to perform these operations. Get …
