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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 add_columns(t0, t1):
 """Add columns of table t1 to table t0."""


    for colname in t1.colnames:
        col = t1.columns[colname]
        if colname in t0.columns:
            continue
        new_col = Column(name=col.name, length=len(t0), dtype=col.dtype)  # ,
        # shape=col.shape)
        t0.add_column(new_col)