From 7961d67c47bfcb21446abff5b1ca33eb0085f375 Mon Sep 17 00:00:00 2001 From: Sumitwarrior7 Date: Thu, 26 Dec 2024 15:01:42 +0530 Subject: [PATCH] FAQs corrected Signed-off-by: Sumitwarrior7 --- docs/user_docs/support/faq-kcl.md | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/docs/user_docs/support/faq-kcl.md b/docs/user_docs/support/faq-kcl.md index e5cd40edc..9edd41291 100644 --- a/docs/user_docs/support/faq-kcl.md +++ b/docs/user_docs/support/faq-kcl.md @@ -178,7 +178,7 @@ _args = ["start", *_args] # Add elements "start" to the head of the list: ["sta data1 = [1, 2, 3] data2 = None data3 = [*data1, *data2] # Ok: [1, 2, 3] -data4 = data1 + data2 or [] # OK: [1, 2, 3], We can use the `or` operator to take the default value of data2 as [], when data2 is None/Undefined, take the empty list [] for calculation. +data4 = data1 + (data2 or []) # OK: [1, 2, 3], We can use the `or` operator to take the default value of data2 as [], when data2 is None/Undefined, take the empty list [] for calculation. data5 = data1 + data2 # Error: can only concatenate list (not "NoneType") to list ``` @@ -191,7 +191,7 @@ There are two ways to modify the elements in the list: ```python _index = 1 _args = ["a", "b", "c"] -_args = _args[:index] + ["x"] + _args[index+1:] # Modify the element of list index 1 to "x": ["a", "x", "c"] +_args = _args[:_index] + ["x"] + _args[_index+1:] # Modify the element of list index 1 to "x": ["a", "x", "c"] ``` - Use the list comprehension to modify elements in a list @@ -419,7 +419,7 @@ In KCL, use `and` for "logical and", use `or` for "logical or", use `not` for "n ```python done = True -col == 0 +col = 0 if done and (col == 0 or col == 3): ok = 1 ``` @@ -1045,8 +1045,7 @@ import model # Error: recursively loading ## 26. When can import be omitted? -KCL files in the same folder the not in the main package can refer to each other without importing each other. For example, for the following directory structure: - +KCL files in the same folder, but not in the main package, can refer to each other without importing. For example, for the following directory structure: ``` . └── root @@ -1490,8 +1489,8 @@ dataSchema = Config { - For primitive types `int`, `float`, `bool`, `str` variables are directly compared to see if their values are equal - Variables of composite types `list`, `dict`, `schema` will deeply recursively compare their sub-elements for equality - - `list` type deep recursive recursive comparison of the value and length of each index - - `dict`/`schema` types deeply recursively compare the value of each attribute (regardless of the order in which the attributes appear) + - `list` : Perform a deep, recursive comparison of both the values and the lengths of each index. + - `dict`/`schema` : Perform a deep, recursive comparison of the values of each attribute, ignoring the order of attributes. ```python print([1, 2] == [1, 2]) # True @@ -2133,7 +2132,7 @@ data: ## 45. Why do we get an error when a variable is assigned an enumeration type (a literal union type)? -In KCL, a attribute defined as a literal union type is only allowed to receive a literal value or a variable of the same literal union type during assignment. For example, the following code is correct: +In KCL, an attribute defined as a literal union type is only allowed to receive a literal value or a variable of the same literal union type during assignment. For example, the following code is correct: ```python schema Data: @@ -2512,7 +2511,7 @@ The first `"v1"` over here denotes that the type of the variable `version` is of ## 62. How to define a schema to verify the contents of a given JSON file? -We can use the kcl `vet` tool to validate the JSON data in a given JSOn file. For example, in the below data.json file we use the KCL file(schema.k) below to validate the `age` parameter. +We can use the kcl `vet` tool to validate the JSON data in a given JSON file. For example, in the below data.json file we use the KCL file(schema.k) below to validate the `age` parameter. data.json