Write logically-correct, successfully-running programs that accomplish the ]items that follow. Here are some pointers to keep in mind for the second program:

For computing square roots, you can use the following method call:
math.sqrt(some numeric value)
To use this, you must place the following code at the beginning of your program: import math
You can use this method call whereever you would use a numeric literal, and it can take as it's parameter a numeric value -- a literal, a variable, an expression, etc. The following are some valid lines of Python code that illustrate how you can use the method in your own code:
first_variable = 3.0
first_root = math.sqrt(9.0) # result is 3.0, same as previous line
diff_first = 13.0 - 4.0
diff_second = 13.0 - math.sqrt(16.0) # result is 9.0, same as previous line
sqrt_exp = math.sqrt(first_variable * diff_first + diff_second / (diff_second - first_root))
There may be cases where you find it helpful to compute an intermediate result and store it in a variable, as a way of making calculations easier.
Do not use parentheses in your expressions unless necessary to force the order of operations.

In your programs, you should:

variables.py -- In your first program, do the following:
- Declare a variable called num_var and initialize it with a numeric value (ONE line of code)
- Declare a variable called char_varinitialize it with a character value -- that is, a string consisting of a single character (ONE line of code)
- Declare two variables called bool_var_1 and bool_var_2, giving one a value of True and the other a value of False (TWO lines of code)
- Write print statements to announce the current values of each (use your variables in string concatenation, converting them to strings when needed):
  
  The current value of num_var is 5
  The current value of char_var is 'c'
  The current value of bool_var_1 is True
  The current value of bool_var_2 is False
  (FOUR lines of code)
- Change the values of each variable (do not declare new variables), and repeat the previous step by announcing the new values of those variables. (EIGHT lines of code -- four more assignment statements, plus the four print statements)
formulas.py -- In your second program, do the following:
1. Write code to compute the area of a triangle, whose side lengths are 5.0, 6.0, and 7.0 centimeters. You will need double variables for side a, side b, side c, s, and the triangle's area.
  a, b, c = lengths of sides
  s = (a + b + c) / 2
  Triangle area = √s(s-a)(s-b)(s-c)
  
  Use print statements to announce the values of the sides and resulting triangle area, skipping a line afterward. Use string concatenation with the variables.
  
  Side A is 5.0 centimeters.
  Side B is 6.0 centimeters.
  Side C is 7.0 centimeters.
  The triangle is 14.696969 square centimeters.
  (Result should match the correct answer to several decimal places, but it need not be exact.)
2. Write code to compute the compound amount, after a period of time, for a monetary investment that earns interest. Your initial investment is $8000.00.With an interest rate of 6.5% per year and 4 compounding periods per year, how much will your investment be after 7 years? You will need variables for the initial investment, interest rate, number of compounding periods in a year, and the time frame.
  t = time, in years
  P = initial investment
  r = interest rate, as a decimal (e.g. for a rate of 7.9%, r = 0.079)
  n = number of interest compounding periods per year
  A(t) = the compounded amount of your investment at time t
  
  $\LARGE {A(t) = P(1 + \frac{r}{n})^{nt}}$
  Use print statements to announce the values of the initial investment, the interest rate, the number of compounding periods in a year, the time, and the compound amount (in place of the blank), skipping a line afterward. Use string concatenation with the variables.
```
The initial investment is 8000.0 dollars.
The interest rate is 6.5 percent per year.
There are 4.0 compounding periods in a year.
The time frame is 7.0 years.
After that time, you will have 12563.354888333639 dollars.
                        
```

In at least 150 words, please address the following questions in memo.txt:

How did the process of creating these programs go for you?
What were your main challenges and how did you overcome them?
What did you learn that may be of use as you move along in this class?