习题集7打印*号

dxm73

print('input number of lines:')
n=int(input())
for i in range(1,n+1):
    l1=list('*'*i)
    x=' '*((n-i))+' '.join(l1)
    print(x)

376909437

n=input()
for i in range(0,n+1):
    for j in range(0,n-i):
        print"",
    for k in range(0,i):
        print"*",
    print