match_multiple_values(0, 5) # 输出: x is zero, y is non-zero match_multiple_values(5, 0) # 输出: y is zero, x is non-zero match_multiple_values(5, 5) # 输出: Both x and y are non-zero 示例2:匹配列表 def match_list(values):
Both look like the would match a sequence of at two or more items, capturing the first and last values. In addition, if * were to be used as the wildcard character, we would have to come up with some other way to capture the rest of a sequence, currently spelled like this: case ...
The differences in the output of g1 and g2 in the second part is due the way variables array_1 and array_2 are re-assigned values. In the first case, array_1 is bound to the new object [1,2,3,4,5] and since the in clause is evaluated at the declaration time it still refers...
Opts is set via the options we specify, and args is anything else that will be passed on the command line, in this case, our host name. From here, everything else works the same with the exception of where our host and port values come from. Our host is the first item in the ...
#Check evaluation results for the UserID = 1 test_ratings_df[test_ratings_df['userID'] == 1].sort_values(['rating','predictions'],ascending=False) 从以下结果(“图 6.5”)可以看出,该模型在预测训练期间看不到的电影的收视率方面做得很好: [外链图片转存失败,源站可能有防盗链机制,建议将图片保...
Here, action is as explained above but only applies to messages that match the remaining fields. Empty fields match all values; trailing empty fields may be omitted. The message field matches the start of the warning message printed; this match is case-insensitive. The category field matches th...
Constant Value Patterns This is used to match against constants and enum values. Every dotted name in a pattern is looked up using normal Python name resolution rules, and the value is used for comparison by equality with the matching expression (same as for literals). As a special case to...
The filename of the produced extension module must not be changed as Python insists on a module name derived function as an entry point, in this case PyInit_some_module and renaming the file will not change that. Match the filename of the source code to what the binary name should be. ...
unless it is passed, in which case the values will beselected (see below). Any None objects will be dropped silently unlessthey are all None in which case a ValueError will be raised.axis : {0/'index', 1/'columns'}, default 0The axis to concatenate along.join : {'inner', 'outer'...
The Name fields in the Columns object must match the columns in your .csv files.Within each Columns object, the Name fields that reference the columns containing the timestamp data must have the Type field specified as DATETIME. The Name fields that reference your sensor data must have a ...