要求
结果
代码
# 创建梯子
def createStairs(num):
if num == 1:
print('+-', end="+\n")
print('| ', end="|\n")
print('+-', end="+\n")
else:
num_len = num + 1
for i in range(1, num_len):
if i == 1:
print(' ' * ((num - i) * 2), end="")
print('+-', end="+\n")
print(' ' * ((num - i) * 2), end="")
print('| ', end=