FAQ: Methods, Blocks, & Sorting - The Combined Comparison Operator


This community-built FAQ covers the “The Combined Comparison Operator” exercise from the lesson “Methods, Blocks, & Sorting”.

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I’m confused about The Combined Comparison Operator <=>.

book_1 = “A Wrinkle in Time”
book_2 = “A Brief History of Time”
print book_1 <=> book_2


what I understand is the reason is showing 1 is because book _1 is greater than book_2. is it based on how many letters there are in each variable or is it based on alphabetical? It doesn’t seem correct to me


Yes, It’s like a dictionary. So if you observe these two strings.

“A Wrinkle in Time"
“A Brief History of Time”

Since both starts with letter ‘A’, they both are equal. Then it moves to second letter which is ‘W’ in first string and ‘B’ in the second string.

It will B <=> W and B comes before W. Hence the output 1.


That makes sense. Thank you :slight_smile: