python练习23：打印出如下图案（菱形）

#打印出如下图案（菱形）

from sys import stdout  

'''    *

      ***

     *****

    *******

     *****

      ***

       *

'''

for i in range(0,4):

    for j in range(3-i,0,-1):print(' ',end="")#print(' ',end="")等价于import sys sys.stdout.write(' ')等价于from sys import stdout stdout.write(' ')

    for k in range(0,2*i+1):print('*',end="")

    print('n')

for a in range(0,3):

    for a in range(0,a+1):print(" ",end='')

    for b in range(0,5-2*a):print('*',end='')

    print('n')

#打印出如下图案（菱形）
from sys import stdout   
'''    *
      ***
     *****
    *******
     *****
      ***
       *
'''
for i in range(0,4):
    for j in range(3-i,0,-1):print(' ',end="")#print(' ',end="")等价于import sys sys.stdout.write(' ')等价于from sys import stdout stdout.write(' ')
    for k in range(0,2*i+1):print('*',end="")
    print('n')
for a in range(0,3):
    for a in range(0,a+1):print(" ",end='')
    for b in range(0,5-2*a):print('*',end='')
    print('n')