# 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)