python import numpy as np a = np.array([[1, 2, 3], [4, 5, 6]]) print(a) print(np.sum(a)) print(np.mean(a)) python import pandas as pd data = pd.read_csv("data.csv") df = pd.DataFrame(data) print(average_temperature) python from sklearn.model_selection import train_test_split from sklearn.linear_model import LinearRegression from sklearn.metrics import accuracy_score X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2) model = LinearRegression() model.fit(X_train, y_train) y_pred = model.predict(X_test) accuracy = accuracy_score(y_test, y_pred) print(accuracy)


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