Question

In: Computer Science

1. Write a python function that receives two positive numbers and displays the prime numbers between...

1.

Write a python function that receives two positive numbers and displays the prime numbers between them.Note: A prime number (or a prime) is a natural number greater than 1 and that has no positive divisors other than 1 and itself.

2.

Using either Whileor Foriteration loops, write a python code that prints the first Nnumbers in Fibonacci Sequence, where N is inputted by the user. Now, revise this code to instead print a) the Nthnumber in Fibonacci Sequence.b) the summation of these N numbers in this sequence.

Solutions

Expert Solution

def is_prime(number):
    if(number <= 1):
        return False
    for x in range(2,number):
        if number%x == 0:
            return False
    return True

def primesBetween(A,B):
    for i in range(A,B+1):
        if(is_prime(i)):
            print(i)

# Testing
primesBetween(5,15)

########################################

#Code.py
N = int(input("Enter a number: "))
sum = 0
if N>0:
    if(N==1):
        print("the Nthnumber in Fibonacci Sequence:",0)
    if(N==2):
        print("the Nthnumber in Fibonacci Sequence:",1)
        sum += 1
    if(N>=3):
        fold1 = 0
        fold2 = 1
        fnew = 1
        for i in range(N-2):
            fold1 = fold2
            fold2 = fnew
            fnew = fold1 + fold2
            sum += fnew
        print("the Nthnumber in Fibonacci Sequence:", fnew)
    print("the summation of these N numbers in this sequence:",sum)
else:
    print("Invalid input")


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