modify

WuShichao · Oct 5, 2018 · 873f26b · 873f26b
1 parent b3ff450
commit 873f26b
Showing 1 changed file with 111 additions and 15 deletions.
diff --git a/06.control.md b/06.control.md
@@ -10,14 +10,46 @@
 
 案例（保存为 `if.py`）：
 
-```text
-{% include "./programs/if.py" %}
+```python
+number = 23
+guess = int(input('Enter an integer : '))
+
+if guess == number:
+    # 新块从这里开始
+    print('Congratulations, you guessed it.')
+    print('(but you do not win any prizes!)')
+    # 新块在这里结束
+elif guess < number:
+    # 另一代码块
+    print('No, it is a little higher than that')
+    # 你可以在此做任何你希望在该代码块内进行的事情
+else:
+    print('No, it is a little lower than that')
+    # 你必须通过猜测一个大于（>）设置数的数字来到达这里。
+
+print('Done')
+# 这最后一句语句将在
+# if 语句执行完毕后执行。
 ```
 
 输出：
 
 ```text
-{% include "./programs/if.txt" %}
+$ python if.py
+Enter an integer : 50
+No, it is a little lower than that
+Done
+
+$ python if.py
+Enter an integer : 22
+No, it is a little higher than that
+Done
+
+$ python if.py
+Enter an integer : 23
+Congratulations, you guessed it.
+(but you do not win any prizes!)
+Done
 ```
 
 **它是如何工作的**
@@ -57,14 +89,40 @@ if True:
 
 案例（保存为 `while.py`）：
 
-```text
-{% include "./programs/while.py" %}
+```python
+number = 23
+running = True
+
+while running:
+    guess = int(input('Enter an integer : '))
+
+    if guess == number:
+        print('Congratulations, you guessed it.')
+        # 这将导致 while 循环中止
+        running = False
+    elif guess < number:
+        print('No, it is a little higher than that.')
+    else:
+        print('No, it is a little lower than that.')
+else:
+    print('The while loop is over.')
+    # 在这里你可以做你想做的任何事
+
+print('Done')
 ```
 
 输出：
 
 ```text
-{% include "./programs/while.txt" %}
+$ python while.py
+Enter an integer : 50
+No, it is a little lower than that.
+Enter an integer : 22
+No, it is a little higher than that.
+Enter an integer : 23
+Congratulations, you guessed it.
+The while loop is over.
+Done
 ```
 
 **它是如何工作的**
@@ -87,14 +145,22 @@ if True:
 
 案例（保存为 `for.py`）：
 
-```text
-{% include "./programs/for.py" %}
+```python
+for i in range(1, 5):
+    print(i)
+else:
+    print('The for loop is over')
 ```
 
 输出：
 
 ```text
-{% include "./programs/for.txt" %}
+$ python for.py
+1
+2
+3
+4
+The for loop is over
 ```
 
 **它是如何工作的**
@@ -125,14 +191,29 @@ if True:
 
 案例（保存为 `break.py`）：
 
-```text
-{% include "./programs/break.py" %}
+```python
+while True:
+    s = input('Enter something : ')
+    if s == 'quit':
+        break
+    print('Length of the string is', len(s))
+print('Done')
 ```
 
 输出：
 
 ```text
-{% include "./programs/break.txt" %}
+$ python break.py
+Enter something : Programming is fun
+Length of the string is 18
+Enter something : When the work is done
+Length of the string is 21
+Enter something : if you wanna make your work also fun:
+Length of the string is 37
+Enter something : use Python!
+Length of the string is 11
+Enter something : quit
+Done
 ```
 
 **它是如何工作的**
@@ -160,14 +241,29 @@ if you wanna make your work also fun:
 
 案例（保存为 `continue.py`）：
 
-```text
-{% include "./programs/continue.py" %}
+```python
+while True:
+    s = input('Enter something : ')
+    if s == 'quit':
+        break
+    if len(s) < 3:
+        print('Too small')
+        continue
+    print('Input is of sufficient length')
+    # 自此处起继续进行其它任何处理
 ```
 
 输出：
 
 ```text
-{% include "./programs/continue.txt" %}
+$ python continue.py
+Enter something : a
+Too small
+Enter something : 12
+Too small
+Enter something : abc
+Input is of sufficient length
+Enter something : quit
 ```
 
 **它是如何工作的**