N = int(input())tnt = 0while N != 0:此处填代码print("各位数数之和为:", tnt)

N=int(input())odd_count=0#记录奇数的个数old_number=N#保存原数while N!=0:    if : #此处填代码        odd_count+=1    N=(N-N%10)//10print(f"{old_number}中共有{odd_count}个奇数")

import turtleN = int(input("请输入射线数量:"))Angle = 360 / N #计算出每条射线之间间隔的角度for i in range(N):    turtle.right(Angle)    turtle.forward(100)    turtle.goto(0,0)turtle.done()

import turtleturtle.forward(100)turtle.left(90)turtle.forward(100)turtle.goto(0, 0)turtle.done()

import turtlefor i in range(1,10):    turtle.write(f"{i}+{i}={i*2}")    turtle.goto(i*40,0)turtle.done()

for i in range(1, 10):    if i % 3 == 0:        breakprint(i)

N = int(input("请输入正整数:"))total = 0for i in range(1, N + 1):total += iprint(total)

N = input()while N:    print(N)

n = int(input("请输入正整数:"))old_number = nnew_number = 0while n != 0:    new_number = new_number * 10 + n % 10    n //= 10if old_number == new_number:    print("对称数")else:    print("非对称数")

N = int(input())total = 0for i in range(-N,N,2):    total += iprint(total)

import turtleturtle.circle(50, steps = 3)turtle.done()

import turtleturtle.forward(100)turtle.right(60)turtle.forward(100)turtle.right(60)turtle.forward(100)turtle.done()

# 读入4个小朋友的身高 H1 = Alice 的身高H1 = int(input())H2 = int(input())H3 = int(input())H4 = int(input())# 计算身高差（转为正数）diff2 = H2 - H1if diff2 < 0:    diff2 = -diff2diff3 = H3 - H1if diff3 < 0:    diff3 = -diff3diff4 = H4 - H1if diff4 < 0:     diff4 = -diff4# 初始化最优人选best = H2best_diff = diff2# 对比第三位小朋友if diff3 < best_diff:      best = H3      best_diff = diff3elif diff3 == best_diff and H3 < best:      best = H3# 对比第四位小朋友if diff4 < best_diff:      best = H4      best_diff = diff4elif diff4 == best_diff and H4 < best:      best = H4# 输出结果print(best)

num = int(input())new_num = 0loop_count = 0times = 10 ** loop_countwhile num > 0:    if num % 10 == 4:        new_num += times * 8    else:        new_num += times * (num % 10)    num //= 10    loop_count += 1    times = 10 ** loop_countprint(new_num)