Answers for "how to swap list elements in python"

swap list items in python

lst = ["a","b","c","d","e","f","g","h","i","j"]
n = len(lst)
for i in range(0,n-1,2):
    lst[i],lst[i+1] = lst[i+1],lst[i]
print(lst)
print(n)

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]