Got data handling?

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Got data handling?

Check your Python learning success on data handling with numpy and pandas

Email *

What are valid inputs for the mode argument in open("file-name", mode="mode")? *

4 points

"s" (save-read)

"r" (read-only)

"r+" (read-write)

"w+" (create-read-write)

"c+" (create-only)

"a+" (append)

Required

What code line would you use to write a list [] as one comma-separated line without brackets to a text file? *

3 points

text_file.write(",".join(LIST)"+"\n")

text_file.join(str(LIST)+"\n")

text_file.write(join(LIST)+"\n")

text_file.write(str(LIST))

Given that you imported numpy as np, how can you generate a random array with 3 rows and 5 columns? *

3 points

np.random((3,5))

np.random.random((3,5))

np.random((5,3))

np.random.random((5,3))

Which of the following code will work to create a pandas DataFrame, given that pandas was imported as pd? *

3 points

pd.DataFrame([[1,2,3,"nan"], [4,5,"nan",3]])

pd.DataFrame([[1,2,3], [4,5,6]])

pd.DataFrame([pd.Series([1,2,3]), pd.Series([4,5,6])])

pd.DataFrame([pd.Series([1,2,3,"nan"]), pd.Series([4,5,6,"text"])])

pd.DataFrame(pd.Series([1,2,3]), pd.Series([4,5,6]))

Required

Which of the following code lines will write a pandas DataFrame to an xlsx file (given that you created a pandas.DataFrame object called "df")? *

3 points

df.to_csv("ice_menu.xls")

df.to_excel("ice_menu.xlsx")

df.to_excel("ice_menu.xls")

df.to_excel("ice_menu.csv")

Required

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