2020-10-19 21:08:55

docs/da/023.md

@@ -8,7 +8,7 @@
 
 In [1]:
 
-```
+```py
 def add(x, y):
     """Add two numbers"""
     a = x + y
@@ -32,13 +32,13 @@ def add(x, y):
 
 In [2]:
 
-```
+```py
 print add(2, 3)
 print add('foo', 'bar')
 
 ```
 
-```
+```py
 5
 foobar
 
@@ -48,12 +48,12 @@ foobar
 
 In [3]:
 
-```
+```py
 print add(2, "foo")
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 TypeError                                 Traceback (most recent call last)
 <ipython-input-3-6f8dcf7eb280> in <module>()
@@ -72,12 +72,12 @@ TypeError: unsupported operand type(s) for +: 'int' and 'str'
 
 In [4]:
 
-```
+```py
 print add(1, 2, 3)
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 TypeError                                 Traceback (most recent call last)
 <ipython-input-4-ed7bae31fc7d> in <module>()
@@ -88,12 +88,12 @@ TypeError: add() takes exactly 2 arguments (3 given)
 
 In [5]:
 
-```
+```py
 print add(1)
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 TypeError                                 Traceback (most recent call last)
 <ipython-input-5-a954233d3b0d> in <module>()
@@ -106,13 +106,13 @@ TypeError: add() takes exactly 2 arguments (1 given)
 
 In [6]:
 
-```
+```py
 print add(x=2, y=3)
 print add(y="foo", x="bar")
 
 ```
 
-```
+```py
 5
 barfoo
 
@@ -122,12 +122,12 @@ barfoo
 
 In [7]:
 
-```
+```py
 print add(2, y=3)
 
 ```
 
-```
+```py
 5
 
 ```
@@ -138,7 +138,7 @@ print add(2, y=3)
 
 In [8]:
 
-```
+```py
 def quad(x, a=1, b=0, c=0):
     return a*x**2 + b*x + c
 
@@ -148,12 +148,12 @@ def quad(x, a=1, b=0, c=0):
 
 In [9]:
 
-```
+```py
 print quad(2.0)
 
 ```
 
-```
+```py
 4.0
 
 ```
@@ -162,24 +162,24 @@ print quad(2.0)
 
 In [10]:
 
-```
+```py
 print quad(2.0, b=3)
 
 ```
 
-```
+```py
 10.0
 
 ```
 
 In [11]:
 
-```
+```py
 print quad(2.0, 2, c=4)
 
 ```
 
-```
+```py
 12.0
 
 ```
@@ -190,12 +190,12 @@ print quad(2.0, 2, c=4)
 
 In [12]:
 
-```
+```py
 print quad(2.0, 2, a=2)
 
 ```
 
-```
+```py
 ---------------------------------------------------------------------------
 TypeError                                 Traceback (most recent call last)
 <ipython-input-12-101d0c090bbb> in <module>()
@@ -210,7 +210,7 @@ TypeError: quad() got multiple values for keyword argument 'a'
 
 In [13]:
 
-```
+```py
 def add(x, *args):
     total = x
     for arg in args:
@@ -223,13 +223,13 @@ def add(x, *args):
 
 In [14]:
 
-```
+```py
 print add(1, 2, 3, 4)
 print add(1, 2)
 
 ```
 
-```
+```py
 10
 3
 
@@ -239,7 +239,7 @@ print add(1, 2)
 
 In [15]:
 
-```
+```py
 def add(x, **kwargs):
     total = x
     for arg, value in kwargs.items():
@@ -253,12 +253,12 @@ def add(x, **kwargs):
 
 In [16]:
 
-```
+```py
 print add(10, y=11, z=12, w=13)
 
 ```
 
-```
+```py
 adding  y
 adding  z
 adding  w
@@ -270,7 +270,7 @@ adding  w
 
 In [17]:
 
-```
+```py
 def foo(*args, **kwargs):
     print args, kwargs
 
@@ -278,7 +278,7 @@ foo(2, 3, x='bar', z=10)
 
 ```
 
-```
+```py
 (2, 3) {'x': 'bar', 'z': 10}
 
 ```
@@ -291,7 +291,7 @@ foo(2, 3, x='bar', z=10)
 
 In [18]:
 
-```
+```py
 from math import atan2
 
 def to_polar(x, y):
@@ -304,7 +304,7 @@ print r, theta
 
 ```
 
-```
+```py
 5.0 0.927295218002
 
 ```
@@ -313,19 +313,19 @@ print r, theta
 
 In [19]:
 
-```
+```py
 print to_polar(3, 4)
 
 ```
 
-```
+```py
 (5.0, 0.9272952180016122)
 
 ```
 
 因为这个元组中有两个值，所以可以使用
 
-```
+```py
 r, theta = to_polar(3, 4) 
 ```
 
@@ -335,13 +335,13 @@ r, theta = to_polar(3, 4)
 
 In [20]:
 
-```
+```py
 a, b, c = [1, 2, 3]
 print a, b, c
 
 ```
 
-```
+```py
 1 2 3
 
 ```
@@ -350,7 +350,7 @@ print a, b, c
 
 In [21]:
 
-```
+```py
 def add(x, y):
     """Add two numbers"""
     a = x + y
@@ -361,7 +361,7 @@ print add(*z)
 
 ```
 
-```
+```py
 5
 
 ```
@@ -372,7 +372,7 @@ print add(*z)
 
 In [22]:
 
-```
+```py
 def add(x, y):
     """Add two numbers"""
     a = x + y
@@ -383,7 +383,7 @@ print add(**w)
 
 ```
 
-```
+```py
 5
 
 ```
@@ -394,7 +394,7 @@ print add(**w)
 
 In [23]:
 
-```
+```py
 def sqr(x): 
     return x ** 2
 
@@ -403,14 +403,14 @@ print map(sqr, a)
 
 ```
 
-```
+```py
 [4, 9, 16]
 
 ```
 
 其用法为：
 
-```
+```py
 map(aFun, aSeq) 
 ```
 
@@ -420,7 +420,7 @@ map(aFun, aSeq)
 
 In [24]:
 
-```
+```py
 def add(x, y): 
     return x + y
 
@@ -430,7 +430,7 @@ print map(add,a,b)
 
 ```
 
-```
+```py
 [12, 8, 7]
 
 ```