Fibonacci series in python

Fibonacci sequence python

# WARNING: this program assumes the
# fibonacci sequence starts at 1
def fib(num):
  """return the number at index num in the fibonacci sequence"""
  if num <= 2:
    return 1
  return fib(num - 1) + fib(num - 2)


print(fib(6))  # 8

Fibonacci series in python

~~ This is the best Fibonacci sequence generator as you have all the option that 
till what number should this go on for ~~
  
a = 0
b = 1
f = 1
n = int(input("Till what number would you like to see the fibonacci sequence: "))
while b <= n:
    f = a+b
    a = b
    b = f
    print(a)

Fibonacci series in python

def iterativeFibonacci(n):
  fibList[0,1]
  for i in range(1, n+1):
    fibList.append(fibList[i] + fibList[i-1])
  return fibList[1:]

########################### Output ##################################

""" E.g. if n = 10, the output is --> [1,1,2,3,5,8,13,21,34,55] """

Fibonacci series in python

#Recursive Solutions
def fibo(n):
  if n<=1: return 1
  return fibo(n-1)+fibo(n-2)

fibo(5)
#OUTPUT:
#120

Fibonacci series in python

#Learnprogramo
Number = int(input("How many terms? "))
# first two terms
First_Value, Second_Value = 0, 1
i = 0
if Number <= 0:
print("Please enter a positive integer")
elif Number == 1:
print("Fibonacci sequence upto",Number,":")
print(First_Value)
else:
print("Fibonacci sequence:")
while i < Number:
print(First_Value)
Next = First_Value + Second_Value
# update values
First_Value = Second_Value
Second_Value = Next
i += 1

Source: learnprogramo.com

Fibonacci series in python

Input:

def Fib(n):
   if n <= 1:
       return n
   else:
       return (Fib(n - 1) + Fib(n - 2))  # function calling itself(recursion)


n = int(input("Enter the Value of n: "))  # take input from the user
print("Fibonacci series :")
for i in range(n):
   print(Fib(i),end = " ")


Output:

Enter the value of n:  8
0 1 1 2 3 5 8 13

Source: scaler.com

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