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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def motif_from_align(align):
 """Convert alignment to motif. Converts a list with sequences to a motif. Sequences should be the same length. Parameters align : list List with sequences (A,C,G,T). Returns ------- m : Motif instance Motif created from the aligned sequences. """

    width = len(align[0])
    nucs = {"A":0,"C":1,"G":2,"T":3}
    pfm =  [[0 for _ in range(4)] for _ in range(width)]
    for row in align:
        for i in range(len(row)):
            pfm[i][nucs[row[i]]] += 1
    m = Motif(pfm)
    m.align = align[:]
    return m