7/9 Python Day 2 簡介+練習
===
###### tags: `Coding X` `Java` `programming` `學習筆記`

> [time=Tue, Jul 9, 2019 9:27 AM]

### What can you do with python?
- 資料探勘、分析
- 科學運算
- 機器學習
- Web網頁
- 遊戲
- GUI

[實作練習](https://hackmd.io/@BDh7WDr4SoWSb5iOsd8uSw/wiasliawCodingX)

### Exercises 1

# Hi this is comment for this file
# 該程式的問題是如果score大於70的話
# 就會永遠印出C 因為它符合elif之後就不會繼續往下執行
score = int(input("Please input score: "))
if score < 70:
    print('D')
elif score >= 70:
    print('C')
elif score >=80:
    print("B")
elif score >= 90:
    print('A')

    
print('End')

### Exercise 2

# check year
year = int(input("Please input year that you want to check: "))
if year%4 !=0:
    print(year,"是平年")
elif year%4 == 0 and year%100 !=0:
    print(year,"是閏年")
elif year%100 == 0 and year%400 !=0:
    print(year,"是平年")
elif year%400 == 0:
    print(year,"是閏年")

### Exercise 3

special = '16256802'   #特別獎
specify = '33378146'   #特獎
headers = '92040881'   #頭獎 最左邊的號碼
extra_1 = '998'        #增開六獎 1
extra_2 = '741'        #增開六獎 2
extra_3 = '833'        #增開六獎 3
extra_4 = '732'        #增開六獎 4

# 如何判斷
number = input("Please input invoice number: ") 
extra = number [5:]

if number == headers:
    print("中了頭獎")
elif number == special:
    print("中了特別獎")
elif number == specify:
    print("中了特獎")
elif extra == extra_1 or extra == extra_2 or extra == extra_3 or extra == extra_4:
    print("中了增開六獎")
else:
    print("沒中")