how to do an if then statement 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: if then else python

a = 200
b = 33
if b > a:
	print("b is greater than a")

elif a == b:
	print("a and b are equal")

else:
	print("a is greater than b")