More Problems

• Create a program to find the sum of all digits in a string.
• Write a program to determine if a number is a perfect number.
• Implement a function to check if a given year is a leap year.
• Create a program to find the product of all digits in a number.
• Write a program to check if two numbers are amicable.
• Implement a function to calculate the area of a circle given its diameter.
• Create a program to determine the sum of squares of the first n integers.
• Write a function to find the nth term of an arithmetic sequence.