using & in if statement python code example

Example 1: if statement python

x=1; y=0; z=0;
if x==1 or y==0:
  if z=0 and x=1:
    print('Useless conditions satisfed!')

Example 2: if statement python

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