## 28 Jul Aurora Monday 18:30 Python Homework 20.07.27.

**Problem Description**

We have learn how to use stack to solve some problems and how to convert decimal number into binary number:

Please write the program to convert a given decimal number into a binary number by using the following steps for python coding solutions:

- takes an argument that is a decimal number and repeatedly divides it by 2.
- uses the built-in modulo operator, %, to extract the remainder and then pushes it on the stack.
- after the division process reaches 0, a binary string is constructed in the stack.
- creates an empty string.
- The binary digits are popped from the stack one at a time and appended to the right-hand end of the string.
- the binary string is then returned.

**Sample Input:**

241

**Sample Output:**

11110001

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