2.2.3 String Manipulation Techniques

What is string manipulation?

• The process of creating new strings from scratch.

• The act of manipulating, extracting, or changing the characters in a string variable.

• The process of deleting strings.

• The act of converting strings to numbers.

In the context of an online form, why might string manipulation be necessary?

• To delete user input.

• To ensure the first letter of each name is capitalised and the rest are lowercase.

• To convert all text to numbers.

• To remove spaces from the input.

What is text parsing in the context of a search engine?

• The process of deleting irrelevant text.

• The process of extracting and manipulating parts of a string to provide a sensible output.

• The process of converting text to images.

• The process of encrypting text.

What does the `.length` command do in string manipulation?

• It converts a string to uppercase.

• It returns the length of a string.

• It extracts a substring.

• It concatenates two strings.

Which command would you use to convert a string to uppercase?

• `.lower`

• `.upper`

• `.substring`

• `.length`

What does the `.substring` command do?

• It returns the entire string.

• It returns part of the string starting at a specified position and for a specified number of characters.

• It converts a string to lowercase.

• It concatenates two strings.

How would you extract the left-most characters from a string?

• Using `.right`

• Using `.left`

• Using `.substring`

• Using `.length`

What is the purpose of the `ASC` command?

• To return the ASCII value of a character.

• To convert a string to uppercase.

• To concatenate strings.

• To return the length of a string.

In Python, what is the equivalent of the `.length` command?

• `len()`

• `length()`

• `size()`

• `count()`

How do you perform a substring operation in Python?

• Using `.substring()`

• Using square brackets with two parameters separated by a colon.

• Using `.slice()`

• Using `.cut()`