hmerge lists in one list using python code example

Example 1: append two list of number to one python

listone = [1,2,3]
listtwo = [4,5,6]
mergedlist = []
mergedlist.extend(listone)
mergedlist.extend(listtwo)

Example 2: python concatenate list of lists

x = [["a","b"], ["c"]]

result = sum(x, [])