1）寫一個程式來取得以下輸出：
1 2 3 4 5 5 4 3 2 1
no = 1
top = 5
direction = 1
while no>0:
print(no,end= ' ')
if no == top:
print(no,end=' ')
direction = -1
no = no + direction
輸出：
1 2 3 4 5 5 4 3 2 1
使用隨機模組：
2) 猜數字遊戲：
程式將一直運行直到我們猜出數字
import random
system_no = random.randint(1,20)
while True:
guess = int(input("Enter the No. "))
if guess == system_no:
print("Hurray! I got the number!! ")
break
elif guess > system_no:
print("Your guess is too high! ")
else:
print("Your guess is too Low! ")
輸出：
Enter the No. 5 Your guess is too Low! Enter the No. 7 Your guess is too Low! Enter the No. 10 Your guess is too Low! Enter the No. 12 Hurray! I got the number!!
3) 數字中最大的數字：
no = int(input("Enter no. "))
max_no = 0
while no>0:
rem = no%10
if rem>max_no:
max_no = rem
no//=10
print(max_no)
輸出：
Enter no. 452 5
所以在 452 中，5 是數字中最大的數字。
任務：
1) 找出數字中最小的數字：
no = int(input("Enter no. "))
min_no = 9
while no>0:
rem = no%10
if rem<min_no:
min_no=rem
no//=10
print(min_no)
輸出：
Enter no. 452 2
2) 判斷所有數字是否相等
no=input("Enter the no. ")
num=1
while num <len(no):
if no[num]==no[0]:
print("All digits are equal")
break
num+=1
else :
print("Not equal")
輸出：
1)Enter the no. 4444 All digits are equal 2)Enter the no. 46562 Not equal
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