# Simple function examples

#No input parameters
def myFunction1():
    print("You are in myFunction1")


# Two input patrameters
def myFunction2(x,y):
    print("You are in myFunction2")
    print("x = ",x)
    print("y = ",y)
    return(x + y)

# Two input parameters with predefined valiues.
# Provide one or no parameters. If not specified the default values will be used.
def myFunction3(x = 2,y = 3):
    print("You are in myFunction3")
    print("x = ",x)
    print("y = ",y)
    return(x + y)

# ======================== Main Program =============================

myFunction1()

retValue = myFunction2(3,4)
print(retValue)

retValue = myFunction2(5,6)
print(retValue)

# This generates an error
#retValue = myFunction2(4)
#print(retValue)

retValue = myFunction3(3,4)
print(retValue)

retValue = myFunction3(5)
print(retValue)

# This does not generate an error
retValue = myFunction3()
print(retValue)