Python 入門指南 V2.00 - 單元 9 範例及練習程式碼



class_demo.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
class Demo:
   def set_att(self, a, b):
      self.a = a
      self.b = b
    
   def do_something(self):
      return self.a + self.b
 
d = Demo()
d.set_att(11, 22)
print(d.do_something())
  
# 檔名: class_demo.py
# 作者: Kaiching Chang
# 時間: July, 2014

class_demo2.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
class Demo:
   def set_att(self, a=22, b=33):
      self.a = a
      self.b = b
    
   def do_something(self):
      return self.a + self.b
 
d = Demo()
d.set_att()
print(d.do_something())
  
# 檔名: class_demo2.py
# 作者: Kaiching Chang
# 時間: July, 2014

class_demo3.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
class Demo:
   a = 11
   b = 22  
 
   @classmethod
   def do_something(cls):
      cls.a += 1
      cls.b += 1
      return cls.a + cls.b
 
print(Demo.do_something())
  
# 檔名: class_demo3.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0901.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
class IntegerDemo:
   def set_value(self, v):
      self.value = v
 
   def add(self, p):
      self.value += p
 
i = IntegerDemo()
i.set_value(25)
i.add(24)
print(i.value)
  
# 檔名: exercise0901.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0902.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
class IntegerDemo:
   def set_value(self, v):
      self.value = v
 
   def add(self, p):
      self.value += p
 
i = IntegerDemo()
i.set_value(int(input("v: ")))
i.add(int(input("+: ")))
print(i.value)
  
# 檔名: exercise0902.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0903.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
class IntegerDemo:
   def set_value(self, v):
      self.value = v
 
   def add(self, p):
      self.value += p
    
   def subtract(self, p):
      self.value -= p
 
i = IntegerDemo()
i.set_value(int(input("v: ")))
i.add(int(input("+: ")))
i.subtract(int(input("-: ")))
print(i.value)
  
# 檔名: exercise0903.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0904.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
class IntegerDemo:
   def set_value(self, v):
      self.value = v
 
   def add(self, p):
      self.value += p
    
   def subtract(self, p):
      self.value -= p
 
   def multiply(self, p):
      self.value *= p
 
i = IntegerDemo()
i.set_value(int(input("v: ")))
i.add(int(input("+: ")))
i.subtract(int(input("-: ")))
i.multiply(int(input("*: ")))
print(i.value)
  
# 檔名: exercise0904.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0905.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
class IntegerDemo:
   def set_value(self, v):
      self.value = v
 
   def add(self, p):
      self.value += p
    
   def subtract(self, p):
      self.value -= p
 
   def multiply(self, p):
      self.value *= p
 
   def divide(self, p):
      self.value /= p
 
i = IntegerDemo()
i.set_value(int(input("v: ")))
i.add(int(input("+: ")))
i.subtract(int(input("-: ")))
i.multiply(int(input("*: ")))
i.divide(int(input("/: ")))
print(i.value)
  
# 檔名: exercise0905.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0906.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
class FactorialDemo:
   def set_value(self, n):
      i = 1
      p = 1
      while i <= n:
         p *= i
         i += 1
 
      self.value = p
 
i = FactorialDemo()
i.set_value(int(input("n: ")))
print(i.value)
  
# 檔名: exercise0906.py
# 作者: Kaiching Chang
# 時間: July, 2014

exercise0907.py


?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
class FibonacciDemo:
   def set_value(self, n):
      n1 = 0
      n2 = 1
      i = 3
      while i <= n:
         n3 = n1 + n2
         n1 = n2
         n2 = n3
         i += 1
 
      self.value = n3
 
i = FibonacciDemo()
i.set_value(int(input("n: ")))
print(i.value)
  
# 檔名: exercise0907.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)