检查字符串是否在列中不区分大小写

Question

无论字符串列表中是否存在大小写，我如何检查字符串？

我有这个

current_activities = ['Free WiFi']

if activity in current_activities:
   print("Yes it is already inside")

我希望activity = 'Free WiFi'或activity = 'Free WIFI'评估为真。