## given a list of list return the list of integer values from the list

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given a list

```lt=[1,2,[3,[5,[6,]]]]
```

I know this is a basic question and I have done it with for loops but, I need to understand how this basic question can be done in a single or two lines. This was asked to me in an interview.

```return [1,2,3,5,6,7]
```

Use a function to flatten recursively.

##### Solution
```# Custom function
def get_flatlist(l, flat_list=None, no_more_list_elements = True):
if flat_list is None:
flat_list = list()

for x in l:
if isinstance(x,list):
flat_list += x
no_more_list_elements = no_more_list_elements & False
else:
flat_list.append(x)
no_more_list_elements = no_more_list_elements & True
#print(no_more_list_elements)
if not no_more_list_elements:
flat_list = get_flatlist(flat_list.copy(),
flat_list=None,
no_more_list_elements = True)
return flat_list

get_flatlist(lt)
```

Output:

```[1, 2, 3, 5, 6, 7]
```
##### Data
```lt=[1,2,[3,[5,[6,]]]]
```

Lists, The values in list are called elements or sometimes items. The following list contains a string, a float, an integer, and (lo!) another list: This loop traverses the list and updates each element. len returns the number of elements in the list. range returns a list of Similarly, the * operator repeats a list a given number of times: A naive method to create list within a given range is to first create an empty list and append successor of each integer in every iteration of for loop. filter_none edit

This is a modified version of @DarrylG's solution, helping to get the line count down.

```flatten = lambda lst: sum((flatten(v) if isinstance(v, list) else [v] for v in lst), [])
flatten(lt)
```

Lambda functions can be recursive, but are one line shorter then function declarations.

And this could also be in one line by using a `;`

```flatten = lambda lst: sum((flatten(v) if isinstance(v, list) else [v] for v in lst), []) ; flatten(lt)
```

Python, map function can be used to perform the following task converting each of the string converted number to the desired integer value to be reconverted to the list​  Given a list of integers with duplicate elements in it. The task to generate another list, which contains only the duplicate elements. In simple words, the new list should contain the elements which appear more than one.

Method to flatten lists of lists (1-2 line function) (mod of Flatten an irregular list of lists)

1. Use a generator to create single element lists
2. Use sum to append these into a single list

```def flatten(lst):
return sum( ([x] if not isinstance(x, list) else flatten(x)
for x in lst), [] )lt=[1,2,[3,[5,[6,]]]] print(flatten(lt))
```
Output

```[1, 2, 3, 5, 6, 7]
```

List get() method in Java with Examples, E get(int index) Where, E is the type of element maintained by this List container. Return Value: It returns the element at the specified index in the given list. Given a list of numbers, the task is to write a Python program to find the smallest number in given list. Examples: Input : list1 = [10, 20, 4] Output : 4 Input : list2 = [20, 10, 20, 1, 100] Output : 1. Method 1 : Sort the list in ascending order and print the first element in the list.

11. Lists, The values that make up a list are called its elements, or its items. We will use the The first example is a list of four integers. The second is a List length¶. The function len returns the length of a list, which is equal to the number of its elements. Similarly, the * operator repeats a list a given number of times: >>> [0​] * 4 [0  Convert List of String to List of Integer using Lists.transform (). This is done using passing Integer.parseInt () method as lambda expression for transformation. Return/Print the list of String.

9. Lists, numbers[-1] is the last element of the list, numbers[-2] is the second to last, and The function len returns the length of a list, which is equal to the number of its elements. It is a Similarly, the * operator repeats a list a given number of times:. The original list is : [1, None, 4, None, None, 5, 8, None] List after removal of None values : [1, 4, 5, 8] Method #2 : Using list comprehension The longer task of using the naive method and increasing line of codes can be done in a compact way using this method.

Python lists - working with lists in Python, It contains numbers, a boolean value, another list, a string, a tuple, a custom The max() and min() functions return the maximum and the minimum of the list. The insert() method places an element at a specific position  Hi the code below shown this method from another class in C#. May I know how do I return a List<string> to the other class so that the order class could access the data