Python 入門指南 V2.00 - 單元 18 範例及練習程式碼



encrypt06.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
# 使用 randint()
import random
 
# 定義 Encrypt 類別
class Encrypt:
   def __init__(self):
      self.setcode()
 
   def setcode(self):
      # 取得 a 、 b 值
      a = 0
      b = 0
      while a % 2 == 0:
         a = random.randint(0, 9)
         b = random.randint(0, 9)
       
      # 利用公式建立密碼表
      self.code = ""
      c = "a"
      i = 0
      while i < 26:
         x = c
         y = ord(x) * a + b
         m = y % 26
         self.code += chr(m + 97)
         c = chr(ord(c) + 1)
         i += 1
 
   def getcode(self):
      return self.code
 
   # 編碼的方法
   def toEncode(self, str):
      # 暫存編碼結果的字串
      result = ""
 
      # 利用迴圈走完參數字串的所有字元
      for c in str:
         # 判斷該字元是否為英文小寫字母
         # 若是英文小寫字母就進行編碼轉換
         c1 = ord(c) >= 97
         c2 = ord(c) <= 122
         if c1 and c2:
            m = ord(c) - 97
            result += self.code[m]
         else:
            result += c
 
      # 結束回傳編碼過的字串
      return result
 
   # 解碼的方法
   def toDecode(self, str):
      pass
 
# 測試部分
if __name__ == '__main__':
   e = Encrypt()
   print()
   print(e.getcode())
   s1 = "There is no spoon."
   print("Input : " + s1)
   s2 = e.toEncode(s1)
   print("Encode: " + s2)
   print()
  
# 檔名: encrypt06.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise1801.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
answer = "1234"
 
def ab_counter(answer, guess, ab):
   a = 0
   b = 0
   for i in guess:
      if i in answer:
         if guess.index(i) == answer.index(i):
            a += 1
         else:
            b += 1
 
   ab[0] = a
   ab[1] = b
 
def find_number(array):
   for i in array:
      if array.count(i) > 1:
         return True     
 
   return False
 
if __name__ == "__main__":
   abcounter = [0, 0]
   times = 0
   while True:
      times += 1
      guess = input(": ")
      if len(guess) != 4:
         print("Wrong length!!")
         continue
      if find_number(guess):
         print("Repeating digits!!")
         continue
      ab_counter(answer, guess, abcounter)
      if abcounter[0] == 4:
         print("Right!!")
         break
      else:
         print(str(abcounter[0]) + "A" + str(abcounter[1]) + "B")
 
   print("You guess " + str(times) + " times.")
  
# 檔名: exercise1801.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise1802.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
from random import shuffle
 
answer = [chr(i) for i in range(48, 58)]
shuffle(answer)
answer = answer[0:4]
 
def ab_counter(answer, guess, ab):
   a = 0
   b = 0
   for i in guess:
      if i in answer:
         if guess.index(i) == answer.index(i):
            a += 1
         else:
            b += 1
 
   ab[0] = a
   ab[1] = b
 
def find_number(array):
   for i in array:
      if array.count(i) > 1:
         return True     
 
   return False
 
if __name__ == "__main__":
   abcounter = [0, 0]
   times = 0
   while True:
      times += 1
      guess = input(": ")
      if len(guess) != 4:
         print("Wrong length!!")
         continue
      if find_number(guess):
         print("Repeating digits!!")
         continue
      ab_counter(answer, guess, abcounter)
      if abcounter[0] == 4:
         print("Right!!")
         break
      else:
         print(str(abcounter[0]) + "A" + str(abcounter[1]) + "B")
 
   print("You guess " + str(times) + " times.")
  
# 檔名: exercise1802.py
# 作者: Kaiching Chang
# 時間: July, 2014

the end
標籤： ,

沒有留言:

張貼留言

訂閱： 張貼留言 (Atom)