📅  最后修改于: 2022-03-11 14:45:13.203000             🧑  作者: Mango
# arr = [elements]
# new_arr = arr[condition]
# new_arr = [lements satisfying condition]
arr = [3, 6, 5, 9, 4, 12, 1]
new_arr = arr[arr%2 == 0]
new_arr = [6, 4, 12]