【Python学习】打印n位内从1到最大的整数

打印n位内从1到最大的整数

def print1ToMaxNDigit(n):
    if not isinstance(n, int):
        raise TypeError("n must be an integer!")
    if n < 1:
        raise ValueError("n must be geeater than 0!")
    tmp = [0] * n
    while tmp != [9] * n:
        i = 0
        tmp = carry(tmp, i, n)
        tmp_str = [str(c) for c in tmp]
        rlt = "".join(tmp_str[::-1]).lstrip('0')
        print(rlt)

def carry(tmp, i, n):
    if i == n - 1 and tmp[i] == 9:
        return tmp
    elif tmp[i] + 1 < 10:
        tmp[i] += 1
        return tmp
    else:
        tmp[i] = 0
        return carry(tmp, i+1, n)