easy clear solution for Swap Nodes by rafal.pawlowski - python coding challenges - Py.CheckiO

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easy solution in Clear category for Swap Nodes by rafal.pawlowski

def swap_nodes(a):
    for i in range(0,len(a)-1,2):
        a[i],a[i+1] = a[i+1],a[i]
    return a

April 11, 2019

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