# for 循环
x =[]
for i in range(10):
    x.append(i)
    print(i)
print(x)
b=[i for i in range(1,11)]#列表推导式
c=[i**2 for i in range(1,11)]
d=[i**2 for i in range(1,11)if i%2==0]
print('###')
print(c)
print('$$$')
print(d)