Which line of code in this program is most likely to result in an error?
1 answer:
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Answer:
Explanation:
The following code is written in Python. It asks the user to enter the current balance and the annual interest rate. It then calculates the monthly interest rate and uses that to detect the interest that will be earned for the next month. Finally, printing that to the screen. A test output can be seen in the attached picture below.
balance = int(input("Enter current Balance: "))
interest = int(input("Enter current annual interest %: "))
interest = (interest / 12) / 100
next_month_interest = balance * interest
print('$ ' + str(next_month_interest))
Answer:
No you can not tell that recursion is ever required to solve a problem.
Recursion is required when in the problem, the solution of the input depends on the solution of the subsets of the input.
Iteration is also another form of repetitive approach we follow to solve that kind of problems.
But the difference between recursion and iteration is :
- In recursion we call the function repeatedly to return the result to next level.
- In iteration certain bunch of instructions in a loop are executed until certain conditions met.
Explanation:
For example in the Fibonacci sequence problem, to find , we need to compute
and
before that.
- In case of recursion we just call the method Fibonacci(n) repeatedly only changing the parameter Fibonacci(n-1), that calculates the value and return it.
Fibonacci(n)
1. if(n==0 or n==1)
2. return 1.
3.else
4. return( Fibonacci(n-1)+Fibonacci(n-1) )
- But in case of iteration we run a loop for i=2 to n, within which we add the value of current
and
to find the value of
Fibonacci(n)
1. if(n<=2)
2. result = 1
3. else
4. result1 =1 and result2=1.
5. { result = result1 +result2.
6. result1= result2.
7. result2 = result.
8. }
9. output result.