<=. This sign is confusing me

Answer 1

Less than or equal to.
Example

If 10<=10 # True
If 11<=10 # false

Answer 2

The 'less than or equal' operator do two things

First it test the equality,
Second, it test if the first is less than the second.

It return true if either of them is true, so if the first is true and thé second false, return true. If the second true ans the first false, return true.

Only If both are false, return false

Answer 3

Opposite of >