More Problems

• Implement a function to calculate the product of all digits in a number.
• Create a program to find the total number of prime numbers below a given limit.
• Write a program to determine if a string is a valid number.
• Implement a function to calculate the area of a sector.
• Create a program to compute the product of the digits of a number.
• Write a program to check if a number is a perfect cube.
• Implement a function to find the sum of all odd digits in a number.
• Create a program to calculate the average of a list of numbers.