Answers for "swap program in python"

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

swap case python

t = "Mr.Brown"
nt = t.swapcase()
print(nt)