how to define a type in python code example

Example 1: type python

#This is able to tell the user what the type of an object is
string_example = "string"
int_example = 1
float_example = 1.1
type_of_string = type(string_example)
#<class 'str'>
type_of_int = type(int_example)
#<class 'int'>
type_of_float = type(float_example)
#<class 'float'>

Example 2: type declaration python

def greeting(name: str) -> str:
    return 'Hello ' + name