create new item in list in python code example

Example 1: how to add a value to a list in python

myList = [apples, grapes]
fruit = input()#this takes user input on what they want to add to the list
myList.append(fruit)
#myList is now [apples, grapes, and whatever the user put for their input]

Example 2: how can I add all the element of list of word in python?

l = ['aaa', 'bbb', 'ccc']

s = ''.join(l)
print(s)
# aaabbbccc

s = ','.join(l)
print(s)
# aaa,bbb,ccc

s = '-'.join(l)
print(s)
# aaa-bbb-ccc

s = '\n'.join(l)
print(s)
# aaa
# bbb
# ccc