In this unit, you used this code to ensure that the user would enter a number and not letters: while True:

try:

num = int(input("Enter your age: "))

break

except ValueError:

print("That's not a number!")

How could you modify this code to be sure that the user enters a positive number?

answer; geometric center line;

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.