#
# PSP Assignment 2 Module
# Study Period 2, 2015
#
# File:      list_function.py
# Author:    your name
# Email Id:  your email id
# Description:  ...description goes here - written by you.
#   This is my own work as defined by the University's
#   Academic Misconduct policy.
#

#
# Write your function definitions in this file.
# Place your own comments in this file also.
#


# Function length() - place your own comments here...  : )
def length(my_list):

    # This line will eventually be removed - used for development purposes only.
    #print("In function length()")

    # Place your code here
    count = 0
    for character in my_list:
        count = count + 1

    return count



# Function to_string() - place your own comments here...  : )
def to_string(my_list, sep=', '):

    # This line will eventually be removed - used for development purposes only.
    print("In function to_string()")
    string = ""
    print("List is: ", end ="")

    # Place your code here
    for element in range(len(my_list)):
        string += str((my_list[element]))

    return string



# Function count() - place your own comments here...  : )
def count(my_list, value):

    # This line will eventually be removed - used for development purposes only.
    print("In function count()")

    # Place your code here


# Function find() - place your own comments here... : )
def find(my_list, value):

    # This line will eventually be removed - used for development purposes only.
    print("In function find()")

    # Place your code here


# Function starts_with() - place your own comments here... : )
def starts_with(list1, list2):

    # This line will eventually be removed - used for development purposes only.
    print("In function starts_with()")

    # Place your code here


# Function remove_value() - place your own comments here... : )
def remove_value(my_list, value):

    # This line will eventually be removed - used for development purposes only.
    print("In function remove_value()")

    # Place your code here


# Function insert() - place your own comments here... : )
def insert(list1, list2, index):

    # This line will eventually be removed - used for development purposes only.
    print("In function insert()")

    # Place your code here


# Function reverse() - place your own comments here... : )
def reverse(my_list, number):

    # This line will eventually be removed - used for development purposes only.
    print("In function reverse()")

    # Place your code here


# Function replace() takes a string, an old value, and a new value as
# parameters.  The function returns a copy of the string with all occurrences
# of the old value replaced by the new value.
# Please do NOT modify this function.  You should call this function from
# within function replace_from_file.
def replace(my_string, old_value, new_value):
  new_string = ""

  for char in my_string:
      if char == old_value:
          new_string = new_string + new_value
      else:
          new_string = new_string + char

  return new_string


# Function reverse() - place your own comments here... : )
def replace_from_file(filename):

    # This line will eventually be removed - used for development purposes only.
    print("In function replace_from_file()")

    # Place your code here