Python ❀ 打印花心菱形

打印花心菱形

'''
   *      1 
  ***     2
 * * *      3
*******     4
 * * *      5
  ***     6
   *      7
'''


a = int(input("请输入奇数行数："))

if a % 2 == 0:
  print("输入数字错误！")
  a = int(input("请重新输入奇数行数："))

b = a // 2 + 1

#上半部分
for  i in range(0,b+1):
  #空格数
  space = b - i
  for j in range(space):
    print(" ",end="")

  #星数
  star = 2 * i - 1
  for k in range(star):#[0,star)
    if k == 0 or k == star - 1 or k == (0+(star-1)/2) or i == b:
      print("*",end="")
    else:
      print(" ",end="")

  #换行
  print()

#下半部分
for m in range(b-1,0,-1):
  #空格数
  space = b - m
  for j in range(space):
    print(" ",end="")

  #星数
  star = 2 * m - 1
  for k in range(star):
    if k == 0 or k == star - 1 or k == (0+(star-1)/2):
      print("*",end="")
    else:
      print(" ",end="")
  
  #换行
  print()