more examples about decorators

Author: fishercoder1534

decorators.py

@@ -19,3 +19,60 @@ def hello(name="Steve"):
 
 
 print(hello())
+
+
+def hello_2(name="Steve"):
+    print("The hello_2() function has been run!")
+
+    def greet():
+        return "This string is inside greet()"
+
+    def welcome():
+        return "This string is inside welcome()"
+
+    if name == "Steve":
+        return greet()
+    else:
+        return welcome()
+
+
+x = hello_2()
+
+print(x)
+
+
+def hello_3():
+    return "Hi Steve"
+
+
+def other(func):
+    """
+    we could pass in func to denote this function takes in another function as a parameter!!!
+    :param func:
+    :return:
+    """
+    print("Hello")
+    print(hello_3())
+
+
+other(hello_3())
+
+
+def new_decorator(func):
+
+    def wrap_func():
+        print("Code here before executing func()")
+        func()
+        print("Func() has been called")
+
+    return wrap_func
+
+
+@new_decorator
+def func_needs_decorator():
+    print("This function is in need of a decorator!")
+
+
+# This below line could be replaced by using @new_decorator on the function
+# func_needs_decorator = new_decorator(func_needs_decorator)
+func_needs_decorator()