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reads an integer and prints how many digits the number

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter5: Control Structures Ii (repetition)

Section: Chapter Questions

Problem 29PE

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Concept explainers

Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.

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Write a program in python that reads an integer and prints how many digits the number has, by checking whether the number is ≥ 10, ≥ 100, and so on. (Assume that all integers are less than ten billion.) If the number is negative, first multiply it with –1. Sample runs of the program are given below: Enter an integer less than 10 billion: 576838 Digits: 6 Enter an integer less than 10 billion: 100000000000 Number is out of range Enter an integer less than 10 billion: 7645362758 Digits: 10

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