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Olin [163]
3 years ago
10

write a function interest() that takes one input, a floating-point interest rate (e.g., 0.06, which corresponds to a 6% interest

rate). your function should compute and return how long (in years) it will take for an investment to double in value. note: the number of years it takes for an investment to double does not depend on the value of the initial investment.
Computers and Technology
1 answer:
Novay_Z [31]3 years ago
8 0

Code:

def interest():

   interest_rate = 0.06

   investment = input(int('Investment: '))

   yield = 0

   year = 0

   while (yield < investment):

       year += 1

       yield  = investment * interest_rate

   print (year)

NOTE: i wrote this code assuming that the investment for the next year is the same as the first year and so forth

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Write the code to produce a for loop that counts down from 20 to 0 by 2’s and prints the number each time it goes through the lo
yulyashka [42]

Explanation:

Count-controlled for loop (Three-expression for loop)

This is by far the most common type. This statement is the one used by C. The header of this kind of for loop consists of a three-parameter loop control expression. Generally it has the form:

for (A; Z; I)

A is the initialisation part, Z determines a termination expression and I is the counting expression, where the loop variable is incremented or dcremented. An example of this kind of loop is the for-loop of the programming language C:

for (i=0; i <= n; i++)

This kind of for loop is not implemented in Python!

Numeric Ranges

This kind of for loop is a simplification of the previous kind. It's a counting or enumerating loop. Starting with a start value and counting up to an end value, like for i = 1 to 100

Python doesn't use this either.

Vectorized for loops

They behave as if all iterations are executed in parallel. This means, for example, that all expressions on the right side of assignment statements get evaluated before the assignments.

Iterator-based for loop

Finally, we come to the one used by Python. This kind of a for loop iterates over an enumeration of a set of items. It is usually characterized by the use of an implicit or explicit iterator. In each iteration step a loop variable is set to a value in a sequence or other data collection. This kind of for loop is known in most Unix and Linux shells and it is the one which is implemented in Python.

Example of a simple for loop in Python:

>>> languages = ["C", "C++", "Perl", "Python"]  

>>> for x in languages:

...     print(x)

...  

C

C++

Perl

Python

>>>

3 0
3 years ago
public class N extends String, Integer { } When you compile, you get the following message: N.java:1: ‘{‘ expected public class
GREYUIT [131]

Correct Question:

Public class N extends String, Integer { } When you compile, you get the following message: N.java:1: ‘{‘ expected public class N extends String, Integer ^ 1 error Explain what the problem is and how to fix it.

Note the capital letter P

Answer and Explanation:

Problem: This is a syntax error, the key word "public" should begin with a small letter and not capital letter.

How to fix: Replace the capital letter P by  small letter p and recompile.

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Korvikt [17]

Answer:

By modifying the hidden form values that is in a local copy of the company web page

Explanation:

In a situation were the hacker successful change the price of the items he/she purchased through the web site of the company's in which the company web server as well as the company Oracle database were not compromised directly which means that the most likely method in which the attacker used to modified the sale price of the items he/she purchased was by modifying the HIDDEN FORM VALUE that was in the local copy of the company web page making it easy for the HIDDEN FORM VALUE to be vulnerable to the hacker because the hidden form value did not store the company server side information or data but only store the company software state information which is why HIDDEN FORM VALUE should not be trusted.

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