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初级

Spruce

未完成
初级参考 完整示例代码供参考,建议自己理解后重新输入
# Write your solution here
def solve(size):
    print("a spruce!")
    x = size - 1
    
    string = "*"
    while x >= 0:
        space = " " * x
        print(space + string)
        x -= 1
        string += "**" 
    print(" " * (size - 1) + "*")

# You can test your function by calling it within the following block
if __name__ == "__main__":
    solve(5)

示例

输入
solve(5)
期望输出
a spruce!
    *
   ***
  *****
 *******
*********
    *
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