students = ["mary", "jane"]
students.append("john")
for name in students :
    print ("name is ", name)
print("all done")


#--------
def printNameList() :
    for name in students :
        print ("name is ", name)
        

students = ["mary", "jane"]
students.append("john")
printNameList()
print("all done")

#----------------

def printNameList() :
    for name in students :
        print ("name is ", name)

students = ["mary", "jane"]
students.append("john")
printNameList()
teachers = ["gil", "margaret"]
print("teachers:")
printNameList()     #doesn't work- prints the students again
print("all done")

#--------------------------
#ugly way - repeats almost same code.
# no advantage doing this

def printNameList() :
    for name in students :
        print ("name is ", name)
        
def printNameList2() :
    for name in teachers :
        print ("name is ", name)

students = ["mary", "jane"]
students.append("john")
printNameList()
teachers = ["gil", "margaret"]
print("teachers:")
printNameList2()     
print("all done")


#--------------------------
#parameterising the module
# making it more general,more useful, more flexible

def printNameList(namelist) :
    for name in namelist :
        print ("name is ", name)
        

students = ["mary", "jane"]
students.append("john")
printNameList(students)
teachers = ["gil", "margaret"]
print("teachers:")
printNameList(teachers)     
print("all done")



# add to this program: list of colleges

# do it again with lists of numbers:  primes numbers,  even numbers, multiples of 7