what is append in python3 code example

Example 1: append python

List = ["One", "value"]

List.append("to add") # "to add" can also be an int, a foat or whatever"

#List is now ["One", "value","to add"]

#Or

List2 = ["One", "value"]
# "to add" can be any type but IT MUST be in a list
List2 += ["to add"] # can be seen as List2 = List2 + ["to add"]

#List2 is now ["One", "value", "to add"]

Example 2: using append in python

lst=[1,2,3,4]
print(lst)

#prints [1,2,3,4]

lst.append(5)
print(lst)

#prints [1,2,3,4,5]