Exploring Python Basics and Libraries

What is the difference between a list and a tuple in Python?

• Lists are faster than tuples in all operations.

• The main difference is that lists are mutable and tuples are immutable.

• Lists can contain only numbers while tuples can contain any data type.

• Tuples are created using square brackets while lists use parentheses.

How do you create a set in Python?

• You must use the dict() function to create a set

• Sets can only be created with the list() function

• You can create a set using square brackets []

• You can create a set in Python using curly braces {} or the set() function.

What method would you use to add an item to a dictionary?

• Use add(key, value) method.

• Append item to dictionary using append() method.

• Use dict[key] = value.

• Set value[key] = item.

Explain how to read a file in Python.

• Use 'with open("filename.txt") as file: content = file.read()' without specifying the mode.

• Read a file using 'file.read("filename.txt")'.

• Use 'open("filename.txt")' to read a file in Python.

• Use 'with open("filename.txt", "r") as file: content = file.read()' to read a file in Python.

What is the purpose of the 'with' statement when working with files?

• The 'with' statement ensures proper management of file resources by automatically closing the file after its block of code is executed.

• The 'with' statement is used to read files line by line.

• The 'with' statement allows for multiple files to be opened simultaneously.

• The 'with' statement is a way to create new files without specifying a mode.

How can you convert a list to a set?

• Apply convert(your_list) to change a list into a set.

• Use array(your_list) to transform a list into an array.

• Use list(your_set) to convert a set to a list.

• Use set(your_list) to convert a list to a set.

What is the output of the following code: len((1, 2, 3))?

• 3.5

• 4

• 3

• 2

How do you access the first element of a list named 'my_list'?

• get(my_list, 0)

• my_list[1]

• my_list[0]

• my_list.first()

What function would you use to find the maximum value in a list?

• maximumValue()

• max()

• getHighest()

• findMax()

How do you create a DataFrame in Pandas?

• DataFrames can only be created from CSV files in Pandas.

• You can create a DataFrame using pd.DataFrame.from_records(data).

• Use pd.createDataFrame(data) for creating a DataFrame.

• Use pd.DataFrame(data) where data can be a dictionary, list, or NumPy array.