各种三角形、四边形的实现

1、输出实心四边形
* * * * *
* * * * *
* * * * *
* * * * *
* * * * *
def si(length,width):
    for i in range(width):
        print('* '*length)
si(5,5)
 
2、输出空心四边形
def si(length,width):
    for i in range(width):
        if i == 0 or i == (width - 1):
            print('* '*length)
        else:
            print('* ' + ' '*((length-2)*2) + '*')
si(5,6)
si(6,8)
 
3、左下角等腰(实心)
def san(length):
    for i in range(1,length+1):
        print('* '*i)
san(6)
 
4、左下角等腰(空心)
def san(length):
    for i in range(1,length+1):
        if i == 1 or i == 2 or i == length:
            print('* '*i)
        else:
            print('*' + ' ' * ((i-2)*2+1) + '*')
san(8)
 
5、左上角等腰
def san(length):
    for i in range(1,length+1)[::-1]:
        print('* '*i)
san(8)
 
6、右下角等腰
def san(length):
    for i in range(1,length+1):
        print(' ' * ((length - i)*2 ) + ' *'*i)
san(8)
 
7、右上角等腰
def san(length):
    for i in range(1,length+1)[::-1]:
        print(' ' * ((length - i)*2 ) + ' *'*i)
san(8)
 
8、等边三角形
def san(length):
    for i in range(1,length+1):
        print(' ' * (length - i) + '* '* i + ' ' * ((length - i)-1))
san(6)
 
9、倒等边三角
def san(length):
    for i in range(1,length+1)[::-1]:
        print(' ' * (length - i) + '* '* i + ' ' * ((length - i)-1))
san(6)
 

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转载自www.cnblogs.com/xiyuantao/p/10371961.html
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