Fibonacci - Python 

def fib(n):
  nums = []
  for i in range(n):
    if i == 0:
      print("0")
      nums.append(0)
    elif i == 1:
      print("1")
      nums.append(1)
    else:
      print(nums[i-2] + nums[i-1])
      nums.append(nums[i-1] + nums[i-2])


size = int(input("Select how many characters you want your sequence to be:"))
print("You have selected a list of " + str(size) + " numbers.")
print("Here is your list: ")
fib(size)

You have selected a list of 10 numbers.
Here is your list: 
0
1
1
2
3
5
8
13
21
34

Fibonacci - Javascript

You have selected a list of this many numbers:

Here is your Fibonacci sequence:

    Palindromes - Javascript