2020-10-19 21:08:55

docs/da/012.md

@@ -6,13 +6,13 @@
 
 In [1]:
 
-```
+```py
 l = [1, 2.0, 'hello']
 print l
 
 ```
 
-```
+```py
 [1, 2.0, 'hello']
 
 ```
@@ -21,7 +21,7 @@ print l
 
 In [2]:
 
-```
+```py
 empty_list = []
 empty_list
 
@@ -29,13 +29,13 @@ empty_list
 
 Out[2]:
 
-```
+```py
 []
 ```
 
 In [3]:
 
-```
+```py
 empty_list = list()
 empty_list
 
@@ -43,7 +43,7 @@ empty_list
 
 Out[3]:
 
-```
+```py
 []
 ```
 
@@ -57,14 +57,14 @@ Out[3]:
 
 In [4]:
 
-```
+```py
 len(l)
 
 ```
 
 Out[4]:
 
-```
+```py
 3
 ```
 
@@ -74,7 +74,7 @@ Out[4]:
 
 In [5]:
 
-```
+```py
 a = [1, 2, 3]
 b = [3.2, 'hello']
 a + b
@@ -83,7 +83,7 @@ a + b
 
 Out[5]:
 
-```
+```py
 [1, 2, 3, 3.2, 'hello']
 ```
 
@@ -91,14 +91,14 @@ Out[5]:
 
 In [6]:
 
-```
+```py
 l * 2
 
 ```
 
 Out[6]:
 
-```
+```py
 [1, 2.0, 'hello', 1, 2.0, 'hello']
 ```
 
@@ -110,7 +110,7 @@ Out[6]:
 
 In [7]:
 
-```
+```py
 a = [10, 11, 12, 13, 14]
 a[0]
 
@@ -118,7 +118,7 @@ a[0]
 
 Out[7]:
 
-```
+```py
 10
 ```
 
@@ -126,14 +126,14 @@ Out[7]:
 
 In [8]:
 
-```
+```py
 a[-1]
 
 ```
 
 Out[8]:
 
-```
+```py
 14
 ```
 
@@ -141,14 +141,14 @@ Out[8]:
 
 In [9]:
 
-```
+```py
 a[2:-1]
 
 ```
 
 Out[9]:
 
-```
+```py
 [12, 13]
 ```
 
@@ -158,14 +158,14 @@ Out[9]:
 
 In [10]:
 
-```
+```py
 s = "hello world"
 # 把开头的 h 改成大写
 s[0] = 'H'
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 TypeError                                 Traceback (most recent call last)
 <ipython-input-10-844622ced67a> in <module>()
@@ -180,14 +180,14 @@ TypeError: 'str' object does not support item assignment
 
 In [11]:
 
-```
+```py
 a = [10, 11, 12, 13, 14]
 a[0] = 100
 print a
 
 ```
 
-```
+```py
 [100, 11, 12, 13, 14]
 
 ```
@@ -196,7 +196,7 @@ print a
 
 In [12]:
 
-```
+```py
 a[1:3] = [1, 2]
 a
 
@@ -204,7 +204,7 @@ a
 
 Out[12]:
 
-```
+```py
 [100, 1, 2, 13, 14]
 ```
 
@@ -212,14 +212,14 @@ Out[12]:
 
 In [13]:
 
-```
+```py
 a = [10, 11, 12, 13, 14]
 a[1:3] = [1, 2, 3, 4]
 print a
 
 ```
 
-```
+```py
 [10, 1, 2, 3, 4, 13, 14]
 
 ```
@@ -228,7 +228,7 @@ print a
 
 In [14]:
 
-```
+```py
 a = [10, 1, 2, 11, 12]
 print a[1:3]
 a[1:3] = []
@@ -236,7 +236,7 @@ print a
 
 ```
 
-```
+```py
 [1, 2]
 [10, 11, 12]
 
@@ -246,7 +246,7 @@ print a
 
 In [15]:
 
-```
+```py
 a = [10, 11, 12, 13, 14]
 a[::2] = [1, 2, 3]
 a
@@ -255,7 +255,7 @@ a
 
 Out[15]:
 
-```
+```py
 [1, 11, 2, 13, 3]
 ```
 
@@ -263,12 +263,12 @@ Out[15]:
 
 In [16]:
 
-```
+```py
 a[::2] = []
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 ValueError                                Traceback (most recent call last)
 <ipython-input-16-7b6c4e43a9fa> in <module>()
@@ -285,14 +285,14 @@ ValueError: attempt to assign sequence of size 0 to extended slice of size 3
 
 In [17]:
 
-```
+```py
 a = [1002, 'a', 'b', 'c']
 del a[0]
 print a
 
 ```
 
-```
+```py
 ['a', 'b', 'c']
 
 ```
@@ -301,7 +301,7 @@ print a
 
 In [18]:
 
-```
+```py
 a = [1002, 'a', 'b', 'c']
 del a[1:]
 a
@@ -310,7 +310,7 @@ a
 
 Out[18]:
 
-```
+```py
 [1002]
 ```
 
@@ -318,7 +318,7 @@ Out[18]:
 
 In [19]:
 
-```
+```py
 a = ['a', 1, 'b', 2, 'c']
 del a[::2]
 a
@@ -327,7 +327,7 @@ a
 
 Out[19]:
 
-```
+```py
 [1, 2]
 ```
 
@@ -337,14 +337,14 @@ Out[19]:
 
 In [20]:
 
-```
+```py
 a = [10, 11, 12, 13, 14]
 print 10 in a
 print 10 not in a
 
 ```
 
-```
+```py
 True
 False
 
@@ -354,14 +354,14 @@ False
 
 In [21]:
 
-```
+```py
 s = 'hello world'
 print 'he' in s
 print 'world' not in s
 
 ```
 
-```
+```py
 True
 False
 
@@ -371,7 +371,7 @@ False
 
 In [22]:
 
-```
+```py
 a = [10, 'eleven', [12, 13]]
 a[2]
 
@@ -379,7 +379,7 @@ a[2]
 
 Out[22]:
 
-```
+```py
 [12, 13]
 ```
 
@@ -387,14 +387,14 @@ a[2]是列表，可以对它再进行索引：
 
 In [23]:
 
-```
+```py
 a[2][1]
 
 ```
 
 Out[23]:
 
-```
+```py
 13
 ```
 
@@ -408,7 +408,7 @@ Out[23]:
 
 In [24]:
 
-```
+```py
 a = [11, 12, 13, 12, 11]
 a.count(11)
 
@@ -416,7 +416,7 @@ a.count(11)
 
 Out[24]:
 
-```
+```py
 2
 ```
 
@@ -426,14 +426,14 @@ Out[24]:
 
 In [25]:
 
-```
+```py
 a.index(12)
 
 ```
 
 Out[25]:
 
-```
+```py
 1
 ```
 
@@ -441,12 +441,12 @@ Out[25]:
 
 In [26]:
 
-```
+```py
 a.index(1)
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 ValueError                                Traceback (most recent call last)
 <ipython-input-26-ed16592c2786> in <module>()
@@ -463,14 +463,14 @@ ValueError: 1 is not in list
 
 In [27]:
 
-```
+```py
 a = [10, 11, 12]
 a.append(11)
 print a
 
 ```
 
-```
+```py
 [10, 11, 12, 11]
 
 ```
@@ -479,13 +479,13 @@ append每次只添加一个元素，并不会因为这个元素是序列而将
 
 In [28]:
 
-```
+```py
 a.append([11, 12])
 print a
 
 ```
 
-```
+```py
 [10, 11, 12, 11, [11, 12]]
 
 ```
@@ -496,14 +496,14 @@ print a
 
 In [29]:
 
-```
+```py
 a = [10, 11, 12, 11]
 a.extend([1, 2])
 print a
 
 ```
 
-```
+```py
 [10, 11, 12, 11, 1, 2]
 
 ```
@@ -514,7 +514,7 @@ print a
 
 In [30]:
 
-```
+```py
 a = [10, 11, 12, 13, 11]
 # 在索引 3 插入 'a'
 a.insert(3, 'a')
@@ -522,7 +522,7 @@ print a
 
 ```
 
-```
+```py
 [10, 11, 12, 'a', 13, 11]
 
 ```
@@ -533,7 +533,7 @@ print a
 
 In [31]:
 
-```
+```py
 a = [10, 11, 12, 13, 11]
 # 移除了第一个 11
 a.remove(11)
@@ -541,7 +541,7 @@ print a
 
 ```
 
-```
+```py
 [10, 12, 13, 11]
 
 ```
@@ -552,7 +552,7 @@ print a
 
 In [32]:
 
-```
+```py
 a = [10, 11, 12, 13, 11]
 a.pop(2)
 
@@ -560,7 +560,7 @@ a.pop(2)
 
 Out[32]:
 
-```
+```py
 12
 ```
 
@@ -570,14 +570,14 @@ Out[32]:
 
 In [33]:
 
-```
+```py
 a = [10, 1, 11, 13, 11, 2]
 a.sort()
 print a
 
 ```
 
-```
+```py
 [1, 2, 10, 11, 11, 13]
 
 ```
@@ -586,7 +586,7 @@ print a
 
 In [34]:
 
-```
+```py
 a = [10, 1, 11, 13, 11, 2]
 b = sorted(a)
 print a
@@ -594,7 +594,7 @@ print b
 
 ```
 
-```
+```py
 [10, 1, 11, 13, 11, 2]
 [1, 2, 10, 11, 11, 13]
 
@@ -606,14 +606,14 @@ print b
 
 In [35]:
 
-```
+```py
 a = [1, 2, 3, 4, 5, 6]
 a.reverse()
 print a
 
 ```
 
-```
+```py
 [6, 5, 4, 3, 2, 1]
 
 ```
@@ -622,7 +622,7 @@ print a
 
 In [36]:
 
-```
+```py
 a = [1, 2, 3, 4, 5, 6]
 b = a[::-1]
 print a
@@ -630,7 +630,7 @@ print b
 
 ```
 
-```
+```py
 [1, 2, 3, 4, 5, 6]
 [6, 5, 4, 3, 2, 1]
 
@@ -640,7 +640,7 @@ print b
 
 In [ ]:
 
-```
+```py
 a.sort?
 
 ```