# 从 1 到 10 所有偶数的平方
alist = []
for i in range(1,11):
if(i %2 ==0):
alist.append(i * i)
print(alist)
# python优雅的写法
blist = [i*i for i in range(1,11) if (i %2) ==0]
print(blist)
chinese_zodiac ='猴鸡狗猪鼠牛虎兔龙蛇马羊'
cz_num = {}
for i in chinese_zodiac:
cz_num[i] =0
print(cz_num)
# python优雅的写法
dz_num = {i:0 for i in chinese_zodiac}
print(dz_num)
