Functions in Python

                     Functions

A functions is a block organized and re-usable code and use to perform certain action.Pyhthon comes with lot of built in functions such as

print("hello world")

str(3) == "3"

int("5") == 15

username = input("Enter the user's name: ")

So now let's create our own functions.So for this you can use PyCharm editor I will provide the code here and you can run it directly using pycharm.

functions.py :

students = []

def get_students_titlecase():
        student_titlecase = []
        for student in students:
                students_titlecase = student.title()
          return students_titlecase

def print_students_titlecase():
       students_titlecase = []
       for student in students:
       students_titlecase=student.title()
       print(students_titlecase)

def add_student(name) :
        students.append(name)

student_list = get_students_titlecase()

add_student("Abhinaw")

So actually I have by knowingly added some repeated code in functions which can be removed.Lets see

def print_students_titlecase():
       students_titlecase = get_students_titlecase()
       print(students_titlecase)

So if you write functions for single responsibility then it will be very helpful to write Unit Testing cases and code will be organized too.