L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]
def by_name(t):
return sorted(t[0].lower())
L2 = sorted(L, key=by_name)
print(L2)
# your code goes here
# your code goes here
TCA9IFsoJ0JvYicsIDc1KSwgKCdBZGFtJywgOTIpLCAoJ0JhcnQnLCA2NiksICgnTGlzYScsIDg4KV0KCmRlZiBieV9uYW1lKHQpOgogICAgcmV0dXJuIHNvcnRlZCh0WzBdLmxvd2VyKCkpCgpMMiA9IHNvcnRlZChMLCBrZXk9YnlfbmFtZSkKcHJpbnQoTDIpCgojIHlvdXIgY29kZSBnb2VzIGhlcmUKIyB5b3VyIGNvZGUgZ29lcyBoZXJl