Question 1

To open a file for writing, the built-in _________ method is used, called with a required second parameter of ____.

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The answer of To open a file for writing, the...

Question 2

When opening a file for reading, an error that may occur is ______________________________.

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The answer of When opening a file for reading, an...

Question 3

When reading a line from a text file, the ________________ method is used.

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The answer of When reading a line from a text...

Question 4

24. When reading a line from a text file, all the characters up to and including the ___________ character are read and returned.

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The answer of 24. When reading a line from a...

Question 5

The ___________ method is used to write to a text file.

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The answer of The ___________ method is used to write...

Question 6

When writing to or reading from to a file, data is placed in an area of memory called a __________, which make the reading and writing of files more efficient.

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The answer of When writing to or reading from to...

Question 7

Provide Python code that opens a file named names.txt, in which each line of the file contains a friends name in the form firstname lastname, and displays each of the names on the screen, one per screen line.

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The answer of Provide Python code that opens a file...

Question 8

Provide Python code that prompts the user for the file name of the form filename.txt of a text file, opens the file, and displays each of the names on the screen, one per screen line.

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The answer of Provide Python code that prompts the user...

Question 9

Provide Python code that prompts the user for the file name of the form filename.txt of a text file, opens the file, and writes the contents of the file to a new file name filename-2.txt.

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The answer of Provide Python code that prompts the user...

Question 10

Any of the sequence methods of Python may be applied to strings.

Accepted Answer

Strings in Python are immutable, meaning that while you can access and use sequence methods to read or find elements, you cannot use methods that modify the sequence directly (like append or extend that are available for lists).

Question 11

Strings are immutable in Python, and therefore cannot be altered.

Accepted Answer

In Python, strings are immutable, meaning once a string is created, the characters within it cannot be changed or modified.

Question 12

Any string method involving the modification of a string returns a new string containing the modification, with the original string the method is called on unchanged.

Accepted Answer

Strings in Python are immutable, meaning that any method that modifies a string will return a new string object with the modifications, leaving the original string unchanged.

Question 13

Collectively, the operations performed on strings is called _______________________.

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The answer of Collectively, the operations performed on strings is...

Question 14

The ________ string method in Python can be used to determine if a string contains only letters, whereas the __________ method can be used determine is a string contains only digits.

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The answer of The ________ string method in Python can...

Question 15

The ________ and __________ string methods in Python can be used to determine if a string contains only lowercase or uppercase characters, whereas the __________ and ___________ methods can be used to convert a string to all lowercase or all uppercase characters.

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The answer of The ________ and __________ string methods in...

Question 16

Give Python code that displays the longer of two names, name1 and name2.

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The answer of Give Python code that displays the longer...

Question 17

Give Python code that display "Valid SSN" if the string assigned to variable SSN is a valid social security number, and displays "Invalid SSN" otherwise. A social security number is valid if it contains exactly nine digits, and no other characters.

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The answer of Give Python code that display "Valid SSN"...

Question 18

Give Python code that removes any occurrences of dashes from a given social security number that variable SSN is assigned to, and updates SSN to contain the dash-removed result.

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The answer of Give Python code that removes any occurrences...

Question 19

Give Python code that, for any state of the U.S. assigned to variable state_name, displays the name ensuring that the first letter is displayed capitalized.

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The answer of Give Python code that, for any state...

Question 20

Give Python code that, for a first name and last name assigned to variable full_name with the first and last name separated by a single space (e.g., Alice Morgan), displays the first name only.

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The answer of Give Python code that, for a first...

Quiz 8: Text Files

To open a file for writing, the built-in _____ method is used, called with a required second parameter of .