TQC+ Python 第2版｜第三章「函式與陣列」詳解答案

import math

def pokemon(level,sp,iv):
    cp = (level / 10) * (sp + iv) * math.sqrt(sp * iv ** 2)
    return cp

name_list = []
cp_list = []

for _ in range(3):
    name = input("Name:")
    l = eval(input("level:"))
    s = eval(input("sp:"))
    i = eval(input("iv:"))
    cp = int(round(pokemon(l, s, i)))

    name_list.append(name)
    cp_list.append(cp)

print("=== CP 值列表 ===")
for i in range(3):
    print(f"{name_list[i]} -> {cp_list[i]}")

scores = []

while True:
    score = eval(input("輸入成績:"))
    if score == -1:
        break
    else:
        scores.append(score)

print("成績排序:" , sorted(scores))
print(f"總成績: {sum(scores)}")
print(f"平均成績: {sum(scores) / len(scores):.2f}")

num = eval(input("請輸入一個正整數:"))
perfect_nums = []

def find_perfect_num(n):
    cnt = 0
    for i in range(1,int(n/2+1)):
        if n % i == 0: #因數
            cnt += i
    if cnt == n: #完全數
        return True
    else:
        return False


for j in range(1,num): #將小於num的完全數放入list
    if find_perfect_num(j):
        perfect_nums.append(j)

if len(perfect_nums) == 0:
    print(f'找不到小於 {num} 的完全數')
else:
    print(f"小於 {num} 的完全數:",end="")
    for p in perfect_nums:
        print(f" {p}",end="")

def most_common_letter(text):
    letters = list(text)
    letters = [l for l in letters if l.isalpha()] #只取出英文字母

    max_char = letters[0] #初始化出現最多字母
    max_fequece = 0 #初始化出現最多次數

    for u in letters:
        cnt = letters.count(u)
        if cnt > max_fequece:
            max_char = u
            max_fequece = cnt
    return max_char,max_fequece


words = input("請輸入:")
#words = 'Do one thing at a time, and do well'
max_char,max_fequece = most_common_letter(words)
print(f"出現次數最多: {max_char}")
print(f"總共出現: {max_fequece} 次")

value_list = []

for i in range(3):
    values = input('請輸入兩個數值，並以逗點隔開:').split(',')
    value = sum([eval(v) for v in values]) #將各列數值轉換格式後加總
    value_list.append(value)

max_value = max(value_list)
max_index = value_list.index(max_value)

print(f"第 {max_index} 列有列總和最大值為 {max_value}")

import math

idx = 1
points = []
print('每個點座標有兩個數值，輸入時以逗點隔開(例如 2,3)')

while True:
    point = input(f'第 {idx} 個點座標(輸入0,0則結束): ').strip()
    x,y = point.split(',')
    x,y = eval(x),eval(y)
    if x == 0 and y == 0:
        break
    else:
        points.append((x,y))
        idx += 1

def distance(x1,y1,x2,y2):
    d = math.sqrt((x1 - x2) ** 2 + (y1 - y2) ** 2)
    return d

n = len(points)

min_dist = float('inf') #無限大
pair = (None, None)

for i in range(n):
    for j in range(i+1,n):
        x1,y1 = points[i]
        x2,y2 = points[j]
        dist = distance(x1,y1,x2,y2)
        if dist < min_dist :
            min_dist = dist
            pair = ((x1,y1),(x2,y2))

print(f'座標點個數 = {n}')
print(f'最近兩點為 = {pair[0]} {pair[1]}')
print(f'距離 = {min_dist}')

nums = input('請輸入三個數字，數字間以逗點隔開:')

num_list = nums.split(',')
num_list.sort()

print('排序結果:',' '.join(num_list))

choice = input('溫度單位【華氏(1)/攝氏(2)】= ')

def 溫度轉換(choice):
    if choice == '1':
        tp = eval(input('溫度數值(華氏) = '))
        tp_ = (tp - 32)* 5 / 9
        print(f'華氏{tp} -> 攝氏{tp_:.1f}')
    elif choice == '2':
        tp = eval(input('溫度數值(攝氏) = '))
        tp_ = (tp * 9 / 5) + 32
        print(f'攝氏{tp} -> 華氏{tp_:.1f}')
    else:
        print('麥來亂!!')

溫度轉換(choice)

def line_euqation(x0,y0,x1,y1):
    a = (y1 - y0) / (x1 - x0) #斜率
    b = y0 - a * x0 #常數
    return a , b

def position(coeff,qx,qy):
    a ,b = coeff
    line_y = a * qx + b #代入qx點座標，在線上的y座標

    if qy > line_y:
        positon = '上面'
    elif qy < line_y:
        positon = '下面'
    else:
        positon = '線上'
    print(f"點 q({qx},{qy}) 在直線 L:y={a}x+{b} 的{positon}")

#輸出直線方程式
print('==請輸入兩個點座標，每個點座標的x, y值間用逗點隔開==')
p0x,p0y = input('p0(x,y) = ').split(',')
p1x,p1y = input('p1(x,y) = ').split(',')
p0x,p0y = eval(p0x),eval(p0y)
p1x,p1y = eval(p1x),eval(p1y)
a , b = line_euqation(p0x,p0y,p1x,p1y)
print(f'直線方程式：y = {a}x + {b}')

#判斷點在線上面、下面或線上
print('==請輸入一個點座標，輸入0,0則離開程式=')
while True:
    x, y = input('q(x,y) = ').split(',')
    x, y = eval(x),eval(y)
    position((a,b),x,y)
    if x == 0 and y == 0:
        break