Answers for "for idx, col_name in enumerate(X_train.columns): print("The coefficient for {} is {}".format(file_name, regression_model.coef_[0][idx]))"

for idx, col_name in enumerate(X_train.columns): print("The coefficient for {} is {}".format(file_name, regression_model.coef_[0][idx]))

for idx, col_name in enumerate(X_train.columns):
    print("The coefficient for {} is {}".format(col_name, regression_model.coef_[0][idx]))