The subject line should be a brief message explaining some of the contents of the email.
Answer:
The answers are explained below
Explanation:
1) Identify the potential classes in this problem domain be list all the nouns
class Customer
class Acco unt
2) Refine the list to include only the necessary class names for this problem
the class customer is not necessary to solve the problem itself, therefore the only class could be the account class
3) Identify the responsibilities of the class or classes.
The responsibilities of the class account will be
* determination of the type of account--> Acc ount . type(char)
* deposit money into the account --> Acc ount . de posit(float)
* withdraw money into the account --> Acc ount . with draw(float)
* show balance of the account --> Acc ount . bal ance()
* generate interest --> Acc ount . int erest()
Please join the words together. I used spaces due to regulations
Answer:
The code commented is given below, also the lines that start with # are comments that explains the code.
# Create a function named times_print that receives 2 values x and y
def times_print(x, y):
# Print the formatted string
print("The value of {} times {} is {}".format(x,y,x*y))
# Create the main function
def main():
# Call the funciton times_print 3 times with different values
times_print(2,3)
times_print(4,5)
times_print(5,6)
# Execute the main function
main()
Explanation:
The code was written using Python 3.5, and here I attach the screenshots of the program running:
Answer:
Following is the expression written in "Bash script" (mixture of commands):
^\d{5}(?:[-\s]\d{4})?$
Explanation:
- ^ = For staring string (denotation).
- \d{5} = Matching 5 digits (first five unknown x's)
- (?:…) = Making Group (making group of former 5 digits)
- [-\s] = Match a hyphen or a space
(checking if a hyphen is present?)
- \d{4} = Matching 4 digits (next four unknown x's)
- …? = Pattern before it is optional
- $ = Ending of the string.(denotation)
