Beginning Python (Video 21)

This video tutorial covers the use of logical operators 'and', 'or', and 'not' in Python. It demonstrates three programming problems: checking divisibility between two numbers, performing division with a zero check, and verifying if three names are equal when converted to lowercase. Each problem is solved step-by-step, showcasing different approaches to using logical operators and conditional statements.

What are the logical operators discussed in the video?

• and, or, not

• try, except, finally

• if, else, elif

• for, while, do

How can you determine if one number divides another without a remainder?

• Using the modulus operator

• Using the addition operator

• Using the subtraction operator

• Using the multiplication operator

Which logical operator can be used to ensure a number is not zero before division?

• and

• is

• or

• not

What is a more readable way to check if a number is not zero?

• if B is not zero

• if B equals zero

• if B is zero

• if B not zero

What function can be used to compare strings in a case-insensitive manner?

• title()

• upper()

• lower()

• capitalize()

How do you ensure all three names are the same regardless of case?

• Convert all names to uppercase and compare

• Convert all names to lowercase and compare

• Use the title() function on all names

• Compare names directly without conversion

What is the purpose of using logical operators in programming?

• To perform conditional checks

• To manage memory

• To perform arithmetic operations

• To format strings