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Python Set Operations Explained: From Theory to Real-Time Applications

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A  set  in Python is an unordered collection of unique elements. It is useful when storing distinct values and performing operations like union, intersection, or difference. Real-Time Example: Removing Duplicate Customer Emails in a Marketing Campaign Imagine you are working on an email marketing campaign for your company. You have a list of customer emails, but some are duplicated. Using a set , you can remove duplicates efficiently before sending emails. Code Example: # List of customer emails (some duplicates) customer_emails = [ "alice@example.com" , "bob@example.com" , "charlie@example.com" , "alice@example.com" , "david@example.com" , "bob@example.com" ] # Convert list to a set to remove duplicates unique_emails = set (customer_emails) # Convert back to a list (if needed) unique_email_list = list (unique_emails) # Print the unique emails print ( "Unique customer emails:" , unique_email_list) Ou...
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2 Multiline Commenting Ideas in Python

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Here are two ways you can comment out multiple lines in python.

Python Multiline Comments

These are two popular methods Viz Backslash and Triple quote methods.

1. Backslash method

>>> s = "This is a test of the emergency broadcast system" \
… " and it will display an emergency if you put a line of
text" \
… " that is more than 80 characters on a single line"


>>> print(s)

This is a test of the emergency broadcast system and it will
display an emergency if you put a line of text that is more
than 80 characters on a single line


Split Strings

2. Triple quote method

>>> s1 = """ This is a test of the emergency broadcast
system.
… and it will display an emergency if you put a line of text
… that is more than 80 characters on a single line
… """

>>> print(s1)

This is a test of the emergency broadcast system.
and it will display an emergency if you put a line of text
that is more than 80 characters on a single line


Summary

  • You can use two methods to split the string
  • The Triple quote method is easier to use

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