Create Decorator.py

Decorator.py

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+'''
+This is an implementation of the decorator design-pattern
+Consists of:
+	1]Decorating function that is used to decorate any method.
+Sample used:
+  -Decorating a function by increasing the returned number (n) by +10
+'''
+from functools import wraps
+#1:
+def decorator(f):
+	@wraps(f)    #To retain the __name__ and __doc__ attributes of the func
+	def wrap_f(*args, **kwargs):
+		res=f(*args, **kwargs)
+    #Decoration code here
+		print(f'Decoration is done!\nDecoration:The number after increment by +10 = {n+10} ')
+		return res
+	return wrap_f
+
+@decorator
+def number(n):
+	print(f'The number before decoration is = {n}')
+	return n
+n=90
+number(n)