ML 2

What is the output of the following code?

x = [1, 2, 3]

y = x

y.append(4)

print(x)

• [1, 2, 3]

• [1, 2, 3, 4]

• [4]

• Error

What is the correct way to create a NumPy array from a list?

• np.array([1, 2, 3])

• np.list([1, 2, 3])

• np.make_array([1, 2, 3])

• np.arraylist([1, 2, 3])

Which of the following is used to read a CSV file in Pandas?

• pd.read_table()

• pd.read_excel()

• pd.read_csv()

• pd.open_csv()

What will be the shape of the following NumPy array?

arr = np.array([[1,2,3],[4,5,6]])

• (3,2)
  

• (2,3)

• (1,6)

• (6,)

Which of the following plots is best suited to display the distribution of a numerical variable?

• Line plot

• Bar Chart

• Histogram

• Pie Chart

Which of the following statements about Python lists and tuples is TRUE?

• Tuples are mutable, lists are immutable

• Lists are faster than tuples

• Tuples are immutable, lists are mutable

• Tuples can be modified after creation

What is the correct syntax to plot a line graph using Matplotlib?

• plot(x, y)

• plt.line(x, y)

• plt.plot(x, y)

• graph.plot(x, y)

Which of these methods reshapes a NumPy array?

• resize()

• reshape()

• restructure()

• form()

Which keyword is used to define a function in Python?

• function

• func

• def

• define

What does the range(5) function return?

• [1, 2, 3, 4, 5]

• [0, 1, 2, 3, 4]

• [0, 1, 2, 3, 4, 5]

• [1, 2, 3, 4]