How to convert the first two elements of an element in a

a = [(1), (5), (2 2)]
def sw (x journal y paper z):

b=x
x=y
y=b
return((x,y,z))

for i in a:

for j in i:
    for k in i:
        for l in i:
           i = sw(j,k,l)

print (a)

Mar.03,2021
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