We The Brehs

Inputs and Outputs of a Function

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def format_name_1(fName, lName):

    print(fName.title())
    print(lName.title())

def format_name_2(fName, lName):

    first_name = fName.title()
    last_name = lName.title()

    print(first_name)
    print(last_name)

def format_name_3(fName, lName):

    return f"{fName.title()} {lName.title()}"

formatted_name = format_name_3("mary", "MACkEY")
print(formatted_name)

Challenge

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#Challenge
def Is_Year_Leap_Year(year):
    isLeapYear = False
    if year % 4 == 0:
        if year % 100 == 0:
            if year % 400 == 0:
                isLeapYear = True
            else:
                isLeapYear = False
        else:
            isLeapYear = True
    else:
        isLeapYear = False
   
    return isLeapYear

def days_in_month(year, month):
    month_days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
    isLeapYear = Is_Year_Leap_Year(year)
    if month == 2 and isLeapYear:
        return 29
    else:
        return month_days[month - 1]

year = int(input("Enter a year: "))
month = int(input("Enter a month: "))
days = days_in_month(year, month)
print(f"There are {days} days in year {year}, month {month}.")

Example of a docstring

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def test():
    """ This function is documented.
        But does nothing. """
    print("I'm just a test.")

Project

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#Project
def add(n1, n2):
    return n1 + n2

def subtract(n1, n2):
    return n1 - n2

def multiply(n1, n2):
    return n1 * n2

def divide(n1, n2):
    return n1 / n2

operations = {
    "+": add,
    "-": subtract,
    "*": multiply,
    "/": divide
}

num1 = int(input("What's the first number? "))
num2 = int(input("What's the second number? "))
for op in operations:
    print(op)
chosen_op = input("Choose one of the operations above: ")
function = operations[chosen_op]
result = function(num1, num2)
print(f"The result is: {result}.")


#Challenge
def calc_program():
    num1 = int(input("What's the first number? "))
    num2 = int(input("What's the second number? "))
    for op in operations:
        print(op)
    chosen_op = input("Choose one of the operations above: ")
    function = operations[chosen_op]
    result = function(num1, num2)
    print(f"{num1} {chosen_op} {num2} = {result}.")
    doItAgain = input("Type 'y' to continue calculating with 16 or type 'n' to exit. :")
    while doItAgain == 'y':
        chosen_op = input("Choose an operation: ")
        num1 = result
        num2 = int(input("What's the next number? "))
        function = operations[chosen_op]
        result = function(num1, num2)
        print(f"{num1} {chosen_op} {num2} = {result}.")