how to write if functions in python code example

Example 1: if statement python

x=1; y=0; z=0;
if 1 in {x,y,z}:
  print('At least one variable is equal to 1')

Example 2: how to fix if statement in python

2 < 5
3 > 7
x = 11
x > 10
2 * x < x
type(True)