how to do less than or equal to in python code example

Example 1: python if greater than and less than

if 10 < a < 20:
    whatever

Example 2: how to do more than or less than as a condition in pythonb

var1 = 3
var2 = 2

if var1 > var2:
  print('3 is more than 2')
if var2 < var3:
  print('2 is less than 3')