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Chapter 10: Problem 2

Write an if statement that displays the word "digit" if the char variable ch contains a numeric digit. Otherwise, it should display "Not a digit."

Short Answer

Expert verified
Answer: The if statement checks whether the character variable "ch" is a numeric digit or not. If the character is a numeric digit (i.e., its ASCII value is between '0' and '9'), it will display "digit". Otherwise, it will display "Not a digit."

Step by step solution

01

Check if the character is a digit

Use a conditional expression to determine whether the character variable ch is a numeric digit. In this case, we can use the comparison operators to check if the character's ASCII value lies between the ASCII values of '0' and '9'. For that, we can use the following condition: (ch >= '0') and (ch <= '9')
02

Display the appropriate output

Based on the condition stated in Step 1, we can now use an if statement to display the corresponding output. If the condition is true, display "digit"; otherwise, display "Not a digit." Here's the complete if statement: if (ch >= '0') and (ch <= '9'): print("digit") else: print("Not a digit.")

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