Alsager - CT Block 4

What is the purpose of placeholders in the string.format() method in Python?

• To repeat a string multiple times

• To insert variables into a string

• To change the font of the string

• To calculate mathematical expressions within a string

Which of the following is the correct way to use the string.format() method to include the number of cupcakes Alice has in the output?

• print("Alice has {} cupcakes.".format("five"))

• print("Alice has {5} cupcakes.")

• print("Alice has {} cupcakes.".format(5))

• print("Alice has {number} cupcakes.".format(5))

How many placeholders are used in the example: print("Bob has {} {}.".format(2, "kittens."))?

• 1

• 2

• 3

• 4

What will the following code output: print("Carl the {1} has a pet {0}!".format("llama", "python"))

• Carl the llama has a pet python!

• Carl the python has a pet llama!

• Carl the {1} has a pet {0}!

• Carl the 0 has a pet 1!

What will the following code output: print("Elaine submitted {0} {a}".format(10, a = "assignments"))

• Elaine submitted {0} {a}

• Elaine submitted 10 {a}

• Elaine submitted assignments 10

• Elaine submitted 10 assignments

What does the "{0:.2f}" format specifier in the string.format() method do?

• It selects the second item in the format list and formats it as a float with two decimal places.

• It selects the first item in the format list and formats it as a float with two decimal places.

• It converts the string into a float with two decimal places without selecting any items.

• It selects the first item in the format list and formats it as an integer with two decimal places.

What will be the output of the following code snippet: print("Danny ate £{0:.2f} worth of chocolate!".format(15))?

• Danny ate £15 worth of chocolate!

• Danny ate £15.00 worth of chocolate!

• Danny ate £0.15 worth of chocolate!

• Danny ate £1500 worth of chocolate!

What is the purpose of padding in the context of setting field widths in Python?

• To align text to the right

• To add additional empty characters for creating tables of data

• To change the font size of the output

• To insert special characters into the text

What does the Python code `"{:6}"` do?

• It creates a column 6 pixels wide

• It creates a column with 6 special characters

• It creates a column 6 characters wide using blank spaces to pad the width

• It sets the text to be displayed in 6 different columns

What is recommended to do before outputting columns in Python to ensure proper width?

• Use a ruler to measure the screen

• Plan the output on paper to know how wide to make the columns

• Guess the width and adjust later

• Use a default width for all columns