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Python program to extract Mono-digit elements
When it is required to extract mono-digit elements, list comprehension and the ‘all operator are used.
Below is a demonstration of the same −
Example
my_list = [863, 1, 463, "pyt", 782, 241, "is", 639, 4, "fun"]
print("The list is :")
print(my_list)
my_result = [index for index in my_list if all(str(element) == str(index)[0] for element in str(index))]
print("The result is :")
print(my_result)Output
The list is : [863, 1, 463, 'pyt', 782, 241, 'is', 639, 4, 'fun'] The result is : [1, 4]
Explanation
A list is defined and displayed on the console.
A list comprehension is used to iterate over the list, and every element is converted to a list and compared with the zeroth element.
This is converted to a list.
This is assigned to a variable.
This is the output that is displayed on the console.
Updated on: 08-Sep-2021
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