- Find sum of all digits in a number, preferably in one line.
- Check if the given number is Armstrong, preferably in one line.
- Check if the given number is perfect square, without using any built in function.
- Write your own implementation of map()
- Write your own implementation of reduce()
- Write your own implementation of filter()
- Write your own implementation of zip()
- Write your own implementation of enumerate()
- Write your own implementation of range()
- Write a generator that gives first n Fibonacci number.
- Implement sets using dictionaries.
- Write a decorator to print the time taken by a function.