1. #TempConvert.py
2. TempStr = input("請輸入帶有符號的溫度值: ")
3. if TempStr[-1] in [‘F‘, ‘f‘]:
4. C = (eval(TempStr[0:-1]) - 32)/1.8
5. print("轉換後的溫度是{:.2f}C".format(C))
6. elif TempStr[-1] in [‘C‘, ‘c‘]:
7. F = 1.8*eval(TempStr[0:-1]) + 32
8. print("轉換後的溫度是{:.2f}F".format(F))
9. else:
10. print("輸入格式錯誤")

• 1. #PythonDraw.py
  2. import turtle
  3. turtle.setup(650, 350, 200, 200)
  4. turtle.penup()
  5. turtle.fd(-250)
  6. turtle.pendown()
  7. turtle.pensize(25)
  8. turtle.pencolor("purple")
  9. turtle.seth(-40)
  10. for i in range(4):
  11. turtle.circle(40, 80)
  12. turtle.circle(-40, 80)
  13. turtle.circle(40, 80/2)
  14. turtle.fd(40)
  15. turtle.circle(16, 180)
  16. turtle.fd(40 * 2/3)
  17. turtle.done()

  • 天天向上的力量 第一問

    1. #DayDayUpQ1.py
    2. dayup = pow(1.001, 365)
    3. daydown = pow(0.999, 365)
    4. print("向上：{:.2f}，向下：{:.2f}".format(dayup, daydown))

    天天向上的力量 第二問

    1. #DayDayUpQ2.py
    2. dayfactor = 0.005
    3. dayup = pow(1+dayfactor, 365)
    4. daydown = pow(1-dayfactor, 365)
    5. print("向上：{:.2f}，向下：{:.2f}".format(dayup, daydown))

    天天向上的力量 第三問

    1. #DayDayUpQ3.py
    2. dayup = 1.0
    3. dayfactor = 0.01
    4. for i in range(365):
    5. if i % 7 in [6,0]:
    6. dayup = dayup*(1-dayfactor)
    7. else:
    8. dayup = dayup*(1+dayfactor)
    9. print("工作日的力量：{:.2f} ".format(dayup))

    天天向上的力量 第四問

    1. #DayDayUpQ4.py
    2. def dayUP(df):
    3. dayup = 1
    4. for i in range(365):
    5. if i % 7 in [6,0]:
    6. dayup = dayup*(1 - 0.01)
    7. else:
    8. dayup = dayup*(1 + df)
    9. return dayup
    10. dayfactor = 0.01
    11. while dayUP(dayfactor) < 37.78:
    12. dayfactor += 0.001
    13. print("工作日的努力參數是：{:.3f} ".format(dayfactor))

    文本進度條 簡單的開始

    1. #TextProBarV1.py
    2. import time
    3. scale = 10
    4. print("------執行開始------")
    5. for i in range(scale+1):
    6. a = ‘*‘ * i
    7. b = ‘.‘ * (scale - i)
    8. c = (i/scale)*100
    9. print("{:^3.0f}%[{}->{}]".format(c,a,b))
    10. time.sleep(0.1)
    11. print("------執行結束------")

    文本進度條 單行動態刷新

    1. #TextProBarV2.py
    2. import time
    3. for i in range(101):
    4. print("\r{:3}%".format(i), end="")
    5. time.sleep(0.1)

    文本進度條 實例完整效果

    1. #TextProBarV3.py
    2. import time
    3. scale = 50
    4. print("執行開始".center(scale//2, "-"))
    5. start = time.perf_counter()
    6. for i in range(scale+1):
    7. a = ‘*‘ * i
    8. b = ‘.‘ * (scale - i)
    9. c = (i/scale)*100
    10. dur = time.perf_counter() - start
    11. print("\r{:^3.0f}%[{}->{}]{:.2f}s".format(c,a,b,dur),end=‘‘)
    12. time.sleep(0.1)
    13. print("\n"+"執行結束".center(scale//2,‘-‘))

    版本1

    1. #CalBMIv1.py
    2. height, weight = eval(input("請輸入身高(米)和體重(公斤)[逗號隔開]: "))
    3. bmi = weight / pow(height, 2)
    4. print("BMI 數值為：{:.2f}".format(bmi))
    5. who = ""
    6. if bmi < 18.5:
    7. who = "偏瘦"
    8. elif 18.5 <= bmi < 25:
    9. who = "正常"
    10. elif 25 <= bmi < 30:
    11. who = "偏胖"
    12. else:
    13. who = "肥胖"
    14. print("BMI 指標為:國際‘{0}‘".format(who))

    版本2

    1. #CalBMIv2.py
    2. height, weight = eval(input("請輸入身高(米)和體重\(公斤)[逗號隔開]: "))
    3. bmi = weight / pow(height, 2)
    4. print("BMI 數值為：{:.2f}".format(bmi))
    5. nat = ""
    6. if bmi < 18.5:
    7. nat = "偏瘦"
    8. elif 18.5 <= bmi < 24:
    9. nat = "正常"
    10. elif 24 <= bmi < 28:
    11. nat = "偏胖"
    12. else:
    13. nat = "肥胖"
    14. print("BMI 指標為:國內‘{0}‘".format(nat))

    版本3

    1. #CalBMIv3.py
    2. height, weight = eval(input("請輸入身高(米)和體重(公斤)[逗號隔開]: "))
    3. bmi = weight / pow(height, 2)
    4. print("BMI 數值為：{:.2f}".format(bmi))
    5. who, nat = "", ""
    6. if bmi < 18.5:
    7. who, nat = "偏瘦", "偏瘦"
    8. elif 18.5 <= bmi < 24:
    9. who, nat = "正常", "正常"
    10. elif 24 <= bmi < 25:
    11. who, nat = "正常", "偏胖"
    12. elif 25 <= bmi < 28:
    13. who, nat = "偏胖", "偏胖"
    14. elif 28 <= bmi < 30:
    15. who, nat = "偏胖", "肥胖"
    16. else:
    17. who, nat = "肥胖", "肥胖"
    18. print("BMI 指標為:國際‘{0}‘, 國內‘{1}‘".format(who, nat))

    公式法

    1. #CalPiV1.py
    2. pi = 0
    3. N = 100
    4. for k in range(N):
    5. pi += 1/pow(16,k)*( \
    6. 4/(8*k+1) - 2/(8*k+4) - \
    7. 1/(8*k+5) - 1/(8*k+6) )
    8. print("圓周率值是: {}".format(pi))

    蒙特卡羅方法

    1. #CalPiV2.py
    2. from random import random
    3. from time import perf_counter
    4. DARTS = 1000*1000
    5. hits = 0.0
    6. start = perf_counter()
    7. for i in range(1, DARTS+1):
    8. x, y = random(), random()
    9. dist = pow(x ** 2 + y ** 2, 0.5)
    10. if dist <= 1.0:
    11. hits = hits + 1
    12. pi = 4 * (hits/DARTS)
    13. print("圓周率值是: {}".format(pi))
    14. print("運行時間是: {:.5f}s".format(perf_counter() - start))

python語言程序設計-北京理工大學-嵩天等課件代碼整理