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Given arr = np.array([[1,2,3],[4,5,6]]), what is arr.shape?

Given arr = np.array([[1,2,3],[4,5,6]]), what is arr.shape?

What function reads a CSV file into a DataFrame?

What is the difference between df.loc[] and df.iloc[]?

Which method adds an element to the end of a list?

What Matplotlib function creates a bar chart? (Enter just the function name after plt.)

What is the final value of x after this code runs?x = 0 while x < 3: x += 1

Code Correction: The following code is supposed to perform a groupby operation and calculate the mean salary by department, but it has errors. Identify and fix ALL the errors. avg_salary = df.groupby[“department”][“salary”].mean print(avg_salary) Write the corrected code below:

A variable defined inside a function is called a:

How do you create a NumPy array from a list [1, 2, 3]?