and statement in if python code example

Example 1: python if and

if foo == 'abc' and bar == 'bac' or zoo == '123':
  # do something

Example 2: 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 3: or in if statement python

weather == "Good!" or weather == "Great!": 

# Or the following  

weather in ("Good!", "Great!"):