python paste string behind another string code example

Example 1: how to concat join 2 strings in python

str1 = “Hello”
str2 = “World”
str1 + str2

Example 2: python merge strings

my_list = ['a', 'b', 'c', 'd']
my_string = ','.join(my_list)
# Output = 'a,b,c,d'