2020-10-19 21:08:55

docs/da/073.md

@@ -2,7 +2,7 @@
 
 `while` 循环通常有这样的形式：
 
-```
+```py
 <do setup>
 result = []
 while True:
@@ -15,7 +15,7 @@ while True:
 
 使用迭代器实现这样的循环：
 
-```
+```py
 class GenericIterator(object):
     def __init__(self, ...):
         <do setup>
@@ -33,7 +33,7 @@ class GenericIterator(object):
 
 更简单的，可以使用生成器：
 
-```
+```py
 def generator(...):
     <do setup>
     while True:
@@ -51,7 +51,7 @@ def generator(...):
 
 In [1]:
 
-```
+```py
 def collatz(n):
     sequence = []
     while n != 1:
@@ -67,7 +67,7 @@ for x in collatz(7):
 
 ```
 
-```
+```py
 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1
 
 ```
@@ -76,7 +76,7 @@ for x in collatz(7):
 
 In [2]:
 
-```
+```py
 class Collatz(object):
     def __init__(self, start):
         self.value = start
@@ -98,7 +98,7 @@ for x in Collatz(7):
 
 ```
 
-```
+```py
 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1
 
 ```
@@ -107,7 +107,7 @@ for x in Collatz(7):
 
 In [3]:
 
-```
+```py
 def collatz(n):
     while n != 1:
         if n % 2 == 0:
@@ -121,7 +121,7 @@ for x in collatz(7):
 
 ```
 
-```
+```py
 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1
 
 ```
@@ -130,13 +130,13 @@ for x in collatz(7):
 
 In [4]:
 
-```
+```py
 x = collatz(7)
 print x
 
 ```
 
-```
+```py
 <generator object collatz at 0x0000000003B63750>
 
 ```
@@ -145,13 +145,13 @@ print x
 
 In [5]:
 
-```
+```py
 print x.next()
 print x.next()
 
 ```
 
-```
+```py
 22
 11
 
@@ -161,12 +161,12 @@ print x.next()
 
 In [6]:
 
-```
+```py
 print x.__iter__()
 
 ```
 
-```
+```py
 <generator object collatz at 0x0000000003B63750>
 
 ```
@@ -175,7 +175,7 @@ print x.__iter__()
 
 In [7]:
 
-```
+```py
 class BinaryTree(object):
     def __init__(self, value, left=None, right=None):
         self.value = value
@@ -206,7 +206,7 @@ class BinaryTree(object):
 
 In [9]:
 
-```
+```py
 def inorder(self):
     node = self
     stack = []
@@ -222,7 +222,7 @@ def inorder(self):
 
 In [10]:
 
-```
+```py
 tree = BinaryTree(
     left=BinaryTree(
         left=BinaryTree(1),
@@ -244,7 +244,7 @@ for value in tree:
 
 ```
 
-```
+```py
 1 2 3 4 5 6 7 8
 
 ```