Answers for "python how to swap elements in a list"

python swap function

def swap0(s1, s2):
    assert type(s1) == list and type(s2) == list
    tmp = s1[:]
    s1[:] = s2
    s2[:] = tmp
    
# However, the easier and better way to do a swap in Python is simply:
s1, s2 = s2, s1

how to swap in list in python

list[pos1], list[pos2] = list[pos2], list[pos1]