Write a Python Program to Print the Fibonacci Series of a Given Number

A Fibonacci sequence is the integer sequence of 0, 1, 1, 2, 3, 5, 8....

The first two terms are 0 and 1. All other terms are obtained by adding the preceding two terms. This means to say the nth term is the sum of (n-1)th and (n-2)th term.

nterms = int(input("Enter the Number: "))
 
 # first two terms
 n1, n2 = 0, 1
 count = 0
 
 # check if the number of terms is valid
 if nterms <= 0:
  print("Please enter a positive integer")
 # if there is only one term, return n1
 elif nterms == 1:
  print("Fibonacci sequence upto",nterms,":")
  print(n1)
 # generate fibonacci sequence
 else:
  print("Fibonacci sequence:")
  while count < nterms:
  print(n1)
  nth = n1 + n2
  # update values
  n1 = n2
  n2 = nth
  count += 1

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