how to convert a single integer to list in python code example

Example 1: python make integer into a list

res = [int(x) for x in str(num)]

Example 2: convert list into integer in python

integers = [1, 2, 3]
strings = [str(integer) for integer in integers]
a_string = "". join(strings)
an_integer = int(a_string)
print(an_integer)