想问一下这个问题怎么通过函数的方式实现呢
打印成
1
12
123
1234
12345
123456
1234567
def triangle(n: int):
if 1 <= n <= 9:
for i in range(1, n + 1):
for j in range(i):
print(j + 1, end='')
print()
triangle(7)
打印成
1
12
123
1234
12345
123456
1234567
def triangle(n: int):
if 1 <= n <= 9:
for i in range(1, n + 1):
for j in range(i):
print(j + 1, end='')
print()
triangle(7)