Comparison operators in Python - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the == operator do in Python?

The == operator checks if two values are equal. It returns True if they are the same, and False if they are different.

beginner

What is the difference between == and != operators?

== checks if two values are equal, while != checks if two values are not equal. != returns True if values differ.

beginner

How do you check if one number is greater than another in Python?

Use the > operator. For example, 5 > 3 returns True because 5 is greater than 3.

beginner

What does the <= operator mean?

The <= operator means 'less than or equal to'. It returns True if the left value is smaller than or exactly equal to the right value.

intermediate

Can comparison operators be used with strings in Python? How?

Yes, comparison operators can compare strings based on alphabetical order. For example, 'apple' < 'banana' returns True because 'apple' comes before 'banana'.

What will 7 == 7 return in Python?

A False

B True

C 7

D Error

== checks if two values are equal. Since 7 equals 7, it returns True.

Which operator checks if two values are NOT equal?

A !=

B ==

C >

D <=

!= means 'not equal to' and returns True if values differ.

What does 5 <= 5 evaluate to?

A False

B 5

C True

D Error

<= means 'less than or equal to'. Since 5 equals 5, it returns True.

Which comparison operator means 'greater than'?

A >

B ==

C <

D !=

> means 'greater than'.

What will 'cat' < 'dog' return?

A False

B Depends on Python version

C Error

D True

Strings are compared alphabetically. 'cat' comes before 'dog', so it returns True.

Explain how to use comparison operators to compare two numbers in Python.

Think about checking if numbers are equal, different, or which one is bigger.

Describe how comparison operators work with strings in Python.

Strings are compared like words in a dictionary.