how to do and in an 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: else if python

if expression1:
   statement(s)
elif expression2:
   statement(s)
elif expression3:
   statement(s)
else:
   statement(s)