purpose of a pass in python' code example

Example 1: pass in python

# For empty python shtuff, if you don't have the code for funcs (etc) and you don't want to have the indented block error, you can use this.
def helloooo():
  pass
helloooo()

# Works perfectly!

Example 2: pass in python

# pass in python is basically a placeholder thing to put in empty functions/classes
# example

def whatever():
    pass

class whatever():
    pass