python--for

#_*_coding:UTF-8_*_
rows = int(raw_input('输入列数：'))
i = j = k = 1
print "等腰"
for i in range(0,rows):
    for k in range(0,rows-i):
        print"*",
        k +=1
    i +=1
    print "
"
print "打印空心等边三角形"
for i in range(0,rows+1):
    for j in range(0,rows-i):
        print" ",
        j +=1
    for k in range(0,2*i-1):
        if k == 0 or k == 2*i-2 or i == rows:
            if i == rows:
                if k % 2 == 0:
                    print "*",
                else:
                    print " ",
            else:
                print "*",
        else:
            print " ",
        k += 1
    print"
"
    i += 1