Ex 8.py

def hello(): #defines the function name to call it with
    '''This asks for an input of a name, and then prints text along with that input.'''
    name = input("Please enter your name: ") #asks the user for an input
    print("Hello ",name,"!",sep="") #prints the input along with text
    return #ends the function definition

hello()

def egg(M,T_0,T_y):
    '''This function (egg) has a number of defined constants and takes 3 inputs - to calculate a value t and returns it.'''
    from numpy import pi,log
    rho = 1.038 #These are local variables relevant to the function
    c = 3.7
    K = 5.4E-3
    T_w = 100
    
    t = ((M**(2/3)*c*rho**(1/3)/\
        (K*(np.pi**2)*(4*np.pi/3)**(2/3)))*\
        np.log(0.76*(T_0-T_w)/(T_y-T_w)))/\
        60
    
    return t