Codewars_17.py

#making a tuple and then merging the tuple back into the common tuple by 
# initializing a sum and empty tuple as you can add tuples so this is the 
#way
a=[0, 2, 4, 5, 7, 8, 9]
for i in range(len(a)-1):
    if abs(a[i]-a[i+1])==2:
        print((a[i],a[i+1]))
    elif abs(a[i]-a[i+1])==1:
            print((a[i],a[i+1]))
(0, 2)
(2, 4)
(4, 5)
(5, 7)
(7, 8)
(8, 9)
print(sum(*a, ()))