Python Operators and Expressions

This video tutorial introduces mathematical operations in Python, covering basic operators like addition and exponentiation, and explaining unary and binary operators. It discusses operator precedence, using PEMDAS rules, and provides an example to illustrate these concepts. The video concludes with a note on how operators work similarly on floats and integers.

What is the result of the expression 2 + 2 in Python?

• 5

• 4

• 6

• 3

How can you assign the result of a mathematical expression to a variable in Python?

• Using a print statement

• Using a loop

• Using a function

• Using an assignment statement

Which operator is used to raise a number to the power of another number in Python?

• -

• *

• **

• +

What is the remainder when 17 is divided by 3 using the modulus operator?

• 4

• 3

• 1

• 2

Which operator is considered a unary operator in Python?

• Addition

• Subtraction

• Negation

• Multiplication

What is the difference between unary and binary operators?

• Both apply to one number

• Both apply to two numbers

• Unary operators apply to one number, binary to two

• Unary operators apply to two numbers, binary to one

What is the result of the expression -3 in Python?

• 0

• -3

• None

• 3

Which of the following is a binary operator?

• All of the above

• Modulus

• Exponentiation

• Negation

What is the first operation evaluated in the order of operations in Python?

• Addition

• Exponentiation

• Multiplication

• Parentheses

In the order of operations, which comes first: multiplication or addition?

• Addition

• None of the above

• Multiplication

• They are equal