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License: MIT License
python book
License: MIT License
(20分)写函数,该函数接收一个参数n。参数n为[1,9]之间的正整数。函数可根据n打印倒三角形到屏幕。形式如图所示,注意除了最后一行以外,每一行的两个数字之间有一个空格。主程序以整数7调用这个函数并打印倒三角形。(如给定n=9,则函数打印三角形如下:)
def f(n):
assert type(n) == int
assert n >= 1
assert n <= 9
for i in range(n):
for j in range(i):
print(' ', end='')
for j in range(n-i):
print(n-i, end=' ')
print()
f(7)
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