What functions can be used to convert a string into a number?

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BlackTom AI · Accepted Answer

To determine which functions convert a string into a number, we review each option in turn.
Option 1: "int and float". In many programming languages (notably Python), int() converts a string representing an integer to an int, and float() converts a string representing a floating-point number to a float. These are the standard constructors used for parsing numeric strings. This option aligns with the typical string-to-number conversion mechanisms.
Option 2: "sqrt, abs and round". These are mathematical utilities: sqrt computes a square root, abs returns the absolute value, and round rounds a number. They operate on numbers, not on strings to perform the conversion from text to a numeric type, so they do not convert strings directly.
Option 3: "stri and len". Here, "stri" is not a recognized function for conversion, and len returns the length of a string rather than converting its content to a numeric value. This option fails the conversion purpose both in naming and in function behavior.
Option 4: "integer and float". While float is a known numeric type constructor, "integer" is not a standard function used to parse strings into numbers in common languages. Depending on the language, there may be an int type, but there isn’t a generic "integer" conversion function analogous to int(). This makes the option inaccurate for string-to-number conversion.
In summary, the only option that cleanly describes standard string-to-number conversion mechanisms is the first one, with int converting strings to integers and float converting strings to floating-point numbers.

Spr25_CS003C_37772 Ch. 2 Quiz (Remotely Proctored)

What functions can be used to convert a string into a number?

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