2020-10-19 21:08:55

docs/da/020.md

@@ -6,7 +6,7 @@
 
 In [1]:
 
-```
+```py
 x = 0.5
 if x > 0:
     print "Hey!"
@@ -14,7 +14,7 @@ if x > 0:
 
 ```
 
-```
+```py
 Hey!
 x is positive
 
@@ -26,7 +26,7 @@ x is positive
 
 上面例子中的这两条语句：
 
-```
+```py
 print "Hey!"
     print "x is positive"
 
@@ -40,7 +40,7 @@ print "Hey!"
 
 In [2]:
 
-```
+```py
 x = 0.5
 if x > 0:
     print "Hey!"
@@ -50,7 +50,7 @@ print "This isn't part of the block, and will always print."
 
 ```
 
-```
+```py
 Hey!
 x is positive
 This is still part of the block
@@ -62,7 +62,7 @@ This isn't part of the block, and will always print.
 
 In [3]:
 
-```
+```py
 x = -0.5
 if x > 0:
     print "Hey!"
@@ -72,7 +72,7 @@ print "This isn't part of the block, and will always print."
 
 ```
 
-```
+```py
 This isn't part of the block, and will always print.
 
 ```
@@ -81,7 +81,7 @@ This isn't part of the block, and will always print.
 
 一个完整的 `if` 结构通常如下所示（注意：条件后的 `:` 是必须要的，缩进值需要一样）：
 
-```
+```py
 if <condition 1>:
     <statement 1>
     <statement 2>
@@ -97,7 +97,7 @@ else:
 
 In [4]:
 
-```
+```py
 x = 0
 if x > 0:
     print "x is positive"
@@ -108,7 +108,7 @@ else:
 
 ```
 
-```
+```py
 x is zero
 
 ```
@@ -121,7 +121,7 @@ x is zero
 
 In [5]:
 
-```
+```py
 x = 10
 y = -5
 x > 0 and y < 0
@@ -130,33 +130,33 @@ x > 0 and y < 0
 
 Out[5]:
 
-```
+```py
 True
 ```
 
 In [6]:
 
-```
+```py
 not x > 0
 
 ```
 
 Out[6]:
 
-```
+```py
 False
 ```
 
 In [7]:
 
-```
+```py
 x < 0 or y < 0
 
 ```
 
 Out[7]:
 
-```
+```py
 True
 ```
 
@@ -164,7 +164,7 @@ True
 
 In [8]:
 
-```
+```py
 year = 1900
 if year % 400 == 0:
     print "This is a leap year!"
@@ -176,7 +176,7 @@ else:
 
 ```
 
-```
+```py
 This is not a leap year.
 
 ```
@@ -194,7 +194,7 @@ This is not a leap year.
 
 In [9]:
 
-```
+```py
 mylist = [3, 1, 4, 1, 5, 9]
 if mylist:
     print "The first element is:", mylist[0]
@@ -203,7 +203,7 @@ else:
 
 ```
 
-```
+```py
 The first element is: 3
 
 ```
@@ -212,7 +212,7 @@ The first element is: 3
 
 In [10]:
 
-```
+```py
 mylist = []
 if mylist:
     print "The first element is:", mylist[0]
@@ -221,7 +221,7 @@ else:
 
 ```
 
-```
+```py
 There is no first element.
 
 ```