Our everyday number system in the UK and many other parts of the world is a base-10 system using Arabic numerals, namely the digits 0, 1, 9. Integers larger than 9 are represented by sequences of these elementary numerals. The numerical value encoded by such a sequence is determined by multiplying each numeral by 10k, where k is the position of the numeral counted from the back and starting at zero, and then summing together the contributions from all numerals. For example, 5207 = 5 × 10³ +2×10² +0×10¹ + 7×10⁰ The built-in int function in Python can take a string (type str) representing such a number and convert it to a Python integer (type int). Write a similar function base14_convert that takes a string and converts it to a Python integer according to the following number system: • the base is 14, i.e., the individual digits have to be multiplied by powers of 14 to obtain the numerical value; digits are represented by lower-case letters 'a', 'b', 'c', 'd', ..., i.e., 'a' is equivalent to the digit 0, 'b' is equivalent to the digit 1, and so on. ● For example, cggf = 2 × 14³ +6 × 14² + 6 × 14¹ + 5 × 14° = 6753
Our everyday number system in the UK and many other parts of the world is a base-10 system using Arabic numerals, namely the digits 0, 1, 9. Integers larger than 9 are represented by sequences of these elementary numerals. The numerical value encoded by such a sequence is determined by multiplying each numeral by 10k, where k is the position of the numeral counted from the back and starting at zero, and then summing together the contributions from all numerals. For example, 5207 = 5 × 10³ +2×10² +0×10¹ + 7×10⁰ The built-in int function in Python can take a string (type str) representing such a number and convert it to a Python integer (type int). Write a similar function base14_convert that takes a string and converts it to a Python integer according to the following number system: • the base is 14, i.e., the individual digits have to be multiplied by powers of 14 to obtain the numerical value; digits are represented by lower-case letters 'a', 'b', 'c', 'd', ..., i.e., 'a' is equivalent to the digit 0, 'b' is equivalent to the digit 1, and so on. ● For example, cggf = 2 × 14³ +6 × 14² + 6 × 14¹ + 5 × 14° = 6753
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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