More Problems

• Create a function to find the nth Fibonacci number using an iterative approach.
• Write a program to determine if a number is a perfect cube.
• Implement a function to check if a string is a valid email address.
• Create a program to print the first n perfect squares.
• Write a program to calculate the area of a rectangle given its length and width.
• Implement a function to find the sum of an array of floats.
• Create a program to count the number of even and odd numbers in a list.
• Write a function to check if a string is a valid binary number.