list_permutation.py

samp_list = ['m','e','l']

def list_perm(prefix,suffix):

    suffix_size = len(suffix)

    if suffix_size == 0:
        print(prefix)
    else:
        for i in range(0,suffix_size):

            new_pre = prefix + [suffix[i]]  # [] + ['m']
            new_suff = suffix[:i] + suffix[i+1:]  # [] + ['e','l']
            list_perm(new_pre, new_suff)


list_perm([],samp_list)