打印如下图案

使用python

#           *
#          ***
#         *****
#        *******
#         *****
#          ***
#           *

# 上方
for i in range(1,5):
    n = 2 * i - 1
    m = 4 - i
    for j in range(m):
        print(' ',end="")
    for k in range(n):
        print("*",end="")
    print(" ")

# 菱形下方
for i in range(1,4):
    n = 2 * (4 - i) - 1
    m = i
    for j in range(m):
        print(' ', end="")
    for k in range(n):
        print("*", end="")
    print(" ")