def train_grid(clfs, inputs, targets):
    """Trains classifiers in a list; returns list of trained classifiers."""

    fitted_clfs = []
    for i in range(len(clfs)):
        x = clfs[i].fit(inputs, targets)
        fitted_clfs.append(x)
        print("Fitted: {} / {}".format(i+1, len(clfs)))
    return fitted_clfs