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)) # 8fibonacci 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
#Recursive Solutions
def fibo(n):
if n<=1: return 1
return fibo(n-1)+fibo(n-2)
fibo(5)
#OUTPUT:
#120fibonacci series in python
Fibonacci_input = int(input("Need Terms please give it: "))
num1 =0
num2 = 1
count = 0
go_india = True
while go_india:
if Fibonacci_input <= 0:
print("Please enter a positive integer")
elif Fibonacci_input == 1:
print("Fibonacci sequence is more than",Fibonacci_input,":")
print(num1)
elif Fibonacci_input > 1:
print("Fibonacci sequence:")
while count < Fibonacci_input:
print(num1)
nth = num1 + num2
num1 = num2
num2 = nth
count += 1
else:
print('incorrect input')
User_think = input('Do you want to cotinue? write "1 or one" if you want to continue or "2 or two" to exit: ').upper()
if User_think == 1 or "ONE":
User_think == True
elif User_think == 2 or 'TWO':
go_india == False
print('thanks for using me')
else:
print('wront input closing the software')
go_india == Falsefibonacci 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
# Program to display the Fibonacci sequence up to n-th term
nterms = int(input("How many terms? "))
# 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")
elif nterms == 1:
print("Fibonacci sequence upto",nterms,":")
print(n1)
else:
print("Fibonacci sequence:")
while count < nterms:
print(n1)
nth = n1 + n2
# update values
n1 = n2
n2 = nth
count += 1Copyright © 2021 Codeinu
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