第一題：

第二題：

第三題：

代碼

while?True:
????n?=?int(input("請輸入一個正整數："))

????if?n%2!=0:
????????for?each?in?range(1,?n+1):
????????????num_1?=?(n?+?1)?/?2?-?each
????????????if?num_1?>=?0:
????????????????num_2?=?2?*?each?-?1
????????????else:
????????????????num_1?=?-num_1
????????????????temp?=?(n?+?1)?/?2
????????????????num_2?=?(2?*?temp?-?1)?-?2?*?(each?-?temp)
????????????print(int(num_1)*"?"+int(num_2)*str(each))

????else:
????????cont_n1?=?[]
????????cont_n2?=?[]
????????cont_n3?=?range(int(n/2)+1,?n+1)

????????for?each?in?range(1,?int(n/2)+1):
????????????num_1?=?n/2?-?each
????????????cont_n1.append(num_1)
????????????num_2?=?2?*?each?-?1
????????????cont_n2.append(num_2)
????????????print(int(num_1)?*?"?"?+?int(num_2)?*?str(each))

????????cont_n1.reverse()
????????cont_n2.reverse()

????????for?each_1,?each_2,?each_3?in?zip(cont_n1,?cont_n2,?cont_n3):
????????????print(int(each_1)?*?"?"?+?int(each_2)?*?str(each_3))