Python第一周習題集（二）

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#比較大小#方法1from math import maxa = (‘請輸入第一個整數：‘)b = (‘請輸入第二個整數：‘)c = (‘請輸入第三個整數：‘)d = max(a, b, c)print(‘其中最大的是%f：‘ %d)

#如何交換兩個變數值   a, b = b, a‘‘‘temp = aa = b b = temp‘‘‘a = int(input(‘a =‘))b = int(input(‘b =‘))c = int(input(‘c =‘))‘‘‘if a > b:    a, b = b, aif b > c:    b, c = c, bif a > b:    a, b = b, aprint(a, b , c)‘‘‘(a, b) = a > b and (b, a) or (a, b)(b, c) = b > c and (c, b) or (b, c)(a, b) = a > b and (b, a) or (a, b)print(a, b, c)

#判斷一個數是否是質數a = int(input(‘請輸入一個數:‘))is_prime = Truefor b in range(2, a):    c = a % b     if c == 0:        is_prime = False        breakif is_prime:    print(‘%d他是質數!‘ % a)else:    print(‘%d他不是質數‘ % a)

#九九乘法表for row in range(1, 10):    for col in range(1, row + 1):        print(‘%d*%d=%d‘ % (row, col, row * col), end=‘\t‘)#定位字元    print()#換行用,

#百元百雞，公雞5元一隻，母雞3元一隻，小雞一元3隻，問有一百元，買一百隻雞，有幾種買法for x in range(21):    for y in range(34):        #for z in range(0, 100, 3):        z = 100 - x - y        if  5 * x + 3 * y + z // 3 == 100 and z % 3 == 0:            print(x, y ,z)

print(0.1 + 0.2 + 0.3)print(0.3 + 0.2 + 0.1)#由於浮點數標記法的問題,#在實際開發的過程中請不要做浮點數的==和!=運算.#實在要用,一定要先轉換成int再計算,算完再轉換回去.

#找出 1000 以內的水仙花數。from math import powfor num in range(1000):    a = num // 100

#經典的五人分魚問題fish = 1while True:    totle = fish

#經典的Craps賭博遊戲from random import randintgo_on = Falsenum1 = randint(1, 6)num2 = randint(1, 6)total1 = num1 + num2print(‘玩家搖出了%d‘ % total1)if total1 == 7 or total1 == 11:    print(‘玩家勝‘)elif total1 == 2 or total1 == 3 or total1 == 12:    print(‘玩家輸‘)else:    go_on = Truewhile go_on:    num1 = randint(1, 6)    num2 = randint(1, 6)    total2 = num1 + num2    print(‘玩家搖出了%d‘ % total2)    if total2 == total1:        print(‘玩家勝!‘)        go_on = False    elif total2 == 7:        print(‘玩家輸!‘)        go_on = False

 

    is_enough = True    for _ in range(5):        if (total - 1) % 5 == 0:            total = (total - 1) // 5 * 4        else:            break            is_enough = False    if is_enough:        print(fish)        break    fish += 1

 

    b = num // 10 % 10    c = num % 10    if num == pow(a, 3) + pow(b, 3) + pow(c, 3):        print(‘%f是水仙花數！‘ %num)

#完美數from math import sqrtfor num in range(10000):    sum = 0    for i in range(2, int(sqrt(num)) + 1):        if num % i == 0:            sum +=i            if i != num // i:                sum += num // i        if num == sun + 1:            print(‘%d是完美數‘ %num)

 

Python第一周習題集（二）