Fix indentation in functions.rst example code

Author: Vemulakonda559

Doc/library/functions.rst

@@ -1633,12 +1633,12 @@ are always available.  They are listed here in alphabetical order.
       Example:
 
       .. code-block:: python
-         from time import sleep
-         # This call performs one write operation, so the newline inside the string
-         # does not trigger an immediate flush by itself.
-         print("Hello\nWorld")
-         sleep(3)
-         print("Hi there!")
+            from time import sleep
+            # This call performs one write operation, so the newline inside the string
+            # does not trigger an immediate flush by itself.
+            print("Hello\nWorld")
+            sleep(3)
+            print("Hi there!")
 
    .. versionchanged:: 3.3
       Added the *flush* keyword argument.