Programming: Relevant Class Announcements

Prime Numbers Announcement

# What are prime numbers?
# http://www.programiz.com/python-programming/examples/prime-number

def isPrime(num):
    if isinstance(num, float) or isinstance(num, int):
        if isinstance(num,bool) or int(num) != num:
            print("Illegal input")
        elif num > 1:
        # check for factors
            num = int(num)
            for i in range(2,num):
                if (num % i) == 0:
                    print(num,"is not a prime number")
                    print(i,"times",num//i,"is",num)
                    break
            else:
                print(num,"is a prime number")
# if input number is less than
# or equal to 1, it is not prime
        else:
            print(num,"is not a prime number")
    else:
        print("Illegal input")

isPrime([3,4])
isPrime(True)
isPrime(3.0)
isPrime(-4.3)
isPrime("a")
isPrime(5.6)
isPrime(407)
isPrime(17)

Multiplication Table Announcement

def multi_table(a,b):
    if a > b:
        small = b
        large = a
    else:
        small = a
        large = b
    print("{:<6 br="" end="" format="">    for head in range(small,large+1,1):
        print("{:<6 br="" end="" format="" head="">    print("")
    for row in range(small,large+1,1):
        print("{:<6 br="" end="" format="" row="">        for col in range(small,large+1,1):
            print("{:<6 br="" col="" end="" format="" row="">        print("")

multi_table(11,17)
print("------------------")
multi_table(17,11)

Exam 3

Exam 3 will be held on Nov 7 and 9. On Monday (11/7), you will see one question and on Wednesday (11/9) you will see another question. Exam 3 covers everything up to and including Chapter 7. It is open book and open notes, but it is closed on any living thing.