Python solution of problems from LeetCode.

The number 32 is hiding inside a grid of 23s in this optical illusion, and most people can't find it in 5 seconds. Can you? Test your visual pattern recognition skills now! Optical Illusion: Find the ...

12th Fret Rule: The 12th fret is always exactly halfway between the nut and the saddle — equal to half the scale length. This is the foundation of all fret position calculations. The vibrating string ...

An example of a linear sequence. A list of numbers or diagrams that are in a particular order is called a sequence close sequenceA sequence is a set of numbers that follow a certain rule. For example, ...

The word ‘plural’ comes from the Old French ‘plurel’ which means ‘more than one’. A noun is a word used to identify something.There are a lot of nouns.There are many patterns to look out for when you ...