Python – Reform K digit elements

When it is required to reform K digit elements, a list comprehension and the ‘append’ method are used.

Example

Below is a demonstration of the same

my_list = [231, 67, 232, 1, 238, 31, 793]

print("The list is :")
print(my_list)

K = 3
print("The value of K is ")
print(K)

temp = ''.join([str(ele) for ele in my_list])

my_result = []

for index in range(0, len(temp), K):
   my_result.append(int(temp[index: index + K]))

print("The resultant list is :")
print(my_result)

Output

The list is :
[231, 67, 232, 1, 238, 31, 793]
The value of K is
3
The resultant list is :
[231, 672, 321, 238, 317, 93]

Explanation

• A list is defined and is displayed on the console.

• The value for K is initialized and is displayed on the console.

• A list comprehension is used to iterate over the elements in the list and convert it to a string type, and join it by spaces.

• This is assigned to a variable.

• An empty list is defined.

• The value up to K is iterated over and the elements from index 0 to K is appended to the empty list.

• This is the output which is displayed on the console.

AmitDiwan

Updated on 14-Sep-2021 11:02:08

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