ch02

2021-10-28 17:33:49 +05:30
parent ff85709895
commit 583ec6a898
17 changed files with 952 additions and 0 deletions
@@ -0,0 +1,26 @@
+>>> GREEN = 1
+>>> YELLOW = 2
+>>> RED = 4
+>>> TRAFFIC_LIGHTS = (GREEN, YELLOW, RED)
+>>> # or with a dict
+>>> traffic_lights = {'GREEN': 1, 'YELLOW': 2, 'RED': 4}
+
+
+
+# using enum
+>>> from enum import Enum
+>>> class TrafficLight(Enum):
+...     GREEN = 1
+...     YELLOW = 2
+...     RED = 4
+...
+>>> TrafficLight.GREEN
+<TrafficLight.GREEN: 1>
+>>> TrafficLight.GREEN.name
+'GREEN'
+>>> TrafficLight.GREEN.value
+1
+>>> TrafficLight(1)
+<TrafficLight.GREEN: 1>
+>>> TrafficLight(4)
+<TrafficLight.RED: 4>