numbers = [1, 2, 3, 4, 5, 6, 7]
# 偶数
evens = [x for x in numbers if x % 2 == 0]
print(evens) # [2, 4, 6]
# 奇数
odds = [y for y in numbers if y % 2 !=0 ]
print(odds) # [1, 3, 5, 7]带条件的列表推导式
nums2 = [x for x in numbers if x > 4]
print(nums2) # [5, 6, 7]