Python program for sum of consecutive numbers with overlapping in lists

When it is required to sum the consecutive numbers with overlapping elements in lists, a list comprehension, list slicing, concatenation operator and ‘zip’ methods are used.


Below is a demonstration of the same −

my_list = [41, 27, 53, 12, 29, 32, 16]

print("The list is :")

my_result = [a + b for a, b in zip(my_list, my_list[1:] + [my_list[0]])]

print("The result is :")


The list is :
[41, 27, 53, 12, 29, 32, 16]
The result is :
[68, 80, 65, 41, 61, 48, 57]


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

  • A list comprehension is used to iterate over the elements.

  • The ‘zip’ method is used to obtain specific indices of the list and concatenate them using the ‘+’ operator.

  • This result is converted to a list and is assigned to a variable.

  • This variable is displayed as output on the console.

Updated on: 08-Sep-2021


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