20241026-hw3.py

"""
Author: aquamarine5 && aquamarine5_@outlook.com
Copyright (c) 2024 by @aquamarine5, RC. All Rights Reversed.
"""


def question1():
    print(f"{123456:+>25}")


def question2():
    print(f"{12345678.9:>30,}")


def question3():
    print(f"二进制形式：{0x1010:#b}")
    print(f"八进制形式：{0x1010:#o}")
    print(f"十进制形式：{0x1010:d}")
    print(f"十六进制形式：{0x1010:#x}")


def question4():
    print(f"逆序之后的整数为{input('请输入正整数：')[::-1]}")


def question5():
    print(f"全部转小写之后的字符串为：{input('输入字符串：').lower()}")


def question6():
    print(f"字符a出现了{input('请输入一个字符串：').count('a')}次。")


def question7():
    print(
        f"数列中最大的值是{max(int(n) for n in input('输入一组数字，采用逗号分隔: ').split(','))}。"
    )


def question8():
    print(
        f'列表中的数值型数据为：{" ".join(numlist:=[str(element) for element in [123.5, "456", "Lucy", 789, "hello", "123", 456, "789"] if isinstance(element,(int,float))])}'
    )
    print(f"这些数值的和是{sum([eval(element) for element in numlist])}。")


def question9():
    print(f"{'hello_world_yoyo'.split('_')}")


def question10():
    print(f"{'_'.join(["hello", "world", "yoyo"])}")


def question11():
    print(f"{input('请输入一个字符串：').replace(' ',r'%20')}")


def question12():
    (listA := ["水煮干丝", "平桥豆腐", "白灼虾", "香菇青菜", "西红柿鸡蛋汤"]).append(
        "红烧肉"
    )
    listA.remove("水煮干丝")
    print(listA)


def question13():
    ss = [*dict.fromkeys(s := input("请输入一个字符串："))]
    citer = int(
        input(f'第几个只出现{(count:=int(input("字符出现的次数：")))}次的字符：')
    )
    print(
        "=" * 20,
        f"第{citer}个只出现{count}次的字符是{ss[[i for i,v in enumerate([s.count(char) for char in ss]) if v==count][citer-1]]}",
        "=" * 20,
        sep="\n",
    )


def question14():
    print(
        f"'{word}'在字符串'{message}'中出现了{count}次"
        if (
            count := (message := input("请输入一个字符串：")).count(
                word := input("请输入要查找的字符串：")
            )
        )
        else f"'{word}'不在字符串'{message}'中。"
    )


def question15():
    import datetime

    year = int(input("请输入年份："))
    print(
        f"{year} 年是{'闰' if (year%4==0 and year%100!=0) or year%400==0 else '平'}年"
    )
    print(
        f"{year} 年 {(month:=int(input('请输入月份：')))} 月 {(day:=int(input('请输入日期：')))} 日是当年的第 {datetime.datetime(year,month,day).timetuple().tm_yday} 天"
    )


def question16():
    print(f"原始数列：{(rdata:=input('请输入空格分隔的若干个整数：'))}")
    sdata = sorted([int(element) for element in rdata.split(" ")])
    deltavalue = min(
        (delta := [sdata[i] - sdata[i - 1] for i in range(len(sdata) - 1, 0, -1)])
    )
    print(
        f"最接近数是 {sdata[(index:=(len(delta)-1-delta.index(deltavalue)))]} 和 {sdata[index+1]} ,它们的差值是 {deltavalue}。"
    )


def question17():
    num = snum if len(snum := input("请输入一个大整数: ")) % 2 == 0 else "0" + snum
    print(
        f"{snum} {'' if sum([int(num[i:i+1]) for i in range(0,len(num),2)])%11==0 else '不'}能被 11 整除！"
    )


def question18():
    print(
        f"删除重复的元素之前的列表为：{(rl:=[int(element) for element in input('请输入空格分隔的若干个整数：').split(' ')])}"
    )
    print(f"删除重复的元素之后的列表为：{[*dict.fromkeys(rl)]}")


def question19():
    print(
        f"调整之前的列表为：{(rl:=[int(element) for element in input('请输入空格分隔的若干个整数：').split(' ')])}"
    )
    print(
        f"调整之后的列表为：{[jn for jn in rl if jn%2==1]+[on for on in rl if on%2==0]}"
    )


def question20():
    croplist = (rnl := input("请输入逗号分隔的若干个整数：").split(","))[
        : (pos := int(input("请输入左移位数："))) - 1
    ]
    print(f"原始数列：{' '.join(rnl)}")
    print(f"左移{pos}位后的数列：{' '.join(rnl[pos-1:]+croplist)}")


def question21():
    values = [8, 9, 5, 10, 8, 6, 8, 7, 9, 9.5]
    print(f"原始分数：{' '.join([str(score) for score in values])}")
    print(
        f"去掉一个最低分、一个最高分之后：{' '.join(afterscore:=[str(es) for es in values if es!=max(values) and es!=min(values)])}"
    )
    print(
        f"该歌手的最后得分为 {sum([eval(ias) for ias in afterscore])/len(afterscore):.2f}"
    )


def question22():
    wordlist = input("请输入空格分隔的若干个单词：").split(" ")
    print(
        f"最长的单词长度为 {(ml:=max([len(word) for word in wordlist]))}: {' '.join([mlword for mlword in wordlist if len(mlword)==ml])}"
    )


def question23():
    print(
        f"You have spent a total of {sum({'卡布奇洛': 32, '摩卡': 30, '抹茶蛋糕': 28, '布朗尼': 26}.values())} yuan."
    )


def question24():
    fruits = {"apple": 10, "mango": 12, "durian": 20, "banana": 5}
    print(
        f"最贵的水果是 {[*fruits.keys()][[*fruits.values()].index(price:=(max(fruits.values())))]}，价格为 {price}。"
    )


def question25():
    string = input("请输入一个字符串：")
    print(f"LETTERS: {len([letter for letter in string if letter.isalpha()])}")
    print(f"DIGITS: {len([letter for letter in string if letter.isdigit()])}")


def question26():
    (
        studs := [
            {"sid": "103", "Chinese": 90, "Math": 92, "English": 91},
            {"sid": "101", "Chinese": 87, "Math": 90, "English": 82},
            {"sid": "102", "Chinese": 76, "Math": 77, "English": 73},
        ]
    ).sort(key=lambda stud: int(stud["sid"]))
    print(
        *[
            f'{stud["sid"]}: {[stud["Chinese"],stud["Math"],stud["English"]]}'
            for stud in studs
        ],
        sep="\n",
    )