Question

#Write a function called next_fib. next_fib should take
#have two parameters: a list of integers and a single integer.
#For this description, we'll call the single integer n.
#
#next_fib should modify the list to add the next n pseudo-
#Fibonacci numbers to the end of the sequence. A pseudo-
#Fibonacci number is the sum of the previous two numbers in
#the sequence, but in our case, the previous two numbers may
#not be the original numbers from the Fibonacci sequence.
#
#For example, if the original list given was:
#
# a_list = [5, 5, 10, 15, 25, 40, 65]
#
# Then next_fib(a_list, 3) would return:
# [5, 5, 10, 15, 25, 40, 65, 105, 170, 275]
#
#All the original numbers in the list are still there, and
#three new ones have been added.
#
#You may assume the list parameter will always have at least
#two numbers.
#
#HINT: Python gets mad if you try to change a list while
#iterating over it with a for-each loop. You'll have to get
#clever with a for or while loop to do this!

#Add your code here!

def next_fib(integer_list, n):
  
  

#Below are some lines of code that will test your function.
#You can change the value of the variable(s) to test your
#function with different inputs.
#
#If your function works correctly, this will originally
#print:
#[5, 5, 10, 15, 25, 40, 65, 105, 170, 275]
a_list = [5, 5, 10, 15, 25, 40, 65]
print(next_fib(a_list, 3))

Answer 1

# Write a function called next_fib. next_fib should take
# have two parameters: a list of integers and a single integer.
# For this description, we'll call the single integer n.
#
# next_fib should modify the list to add the next n pseudo-
# Fibonacci numbers to the end of the sequence. A pseudo-
# Fibonacci number is the sum of the previous two numbers in
# the sequence, but in our case, the previous two numbers may
# not be the original numbers from the Fibonacci sequence.
#
# For example, if the original list given was:
#
# a_list = [5, 5, 10, 15, 25, 40, 65]
#
# Then next_fib(a_list, 3) would return:
# [5, 5, 10, 15, 25, 40, 65, 105, 170, 275]
#
# All the original numbers in the list are still there, and
# three new ones have been added.
#
# You may assume the list parameter will always have at least
# two numbers.
#
# HINT: Python gets mad if you try to change a list while
# iterating over it with a for-each loop. You'll have to get
# clever with a for or while loop to do this!


# Add your code here!

def next_fib(integer_list, n):
    for i in range(n):
        integer_list.append(integer_list[-1] + integer_list[-2])
    return integer_list


# Below are some lines of code that will test your function.
# You can change the value of the variable(s) to test your
# function with different inputs.
#
# If your function works correctly, this will originally
# print:
# [5, 5, 10, 15, 25, 40, 65, 105, 170, 275]
a_list = [5, 5, 10, 15, 25, 40, 65]
print(next_fib(a_list, 3))