"""
  Author:  James Tam
  Version: March 22, 2018

  Reads the name information from file and stores in a list
"""

SIZE = 100

def display(list,numElements):
    i = 0
    j = 1
    while (i < numElements):
        print("Person %d: %s" %((i+1),list[i]))
        if (j == 20):
            input("Hit enter to continue")
            j = 1
        i = i + 1
        j = j + 1

def readFromFile():
    list = []
    numElements = 0
    fileName = input("Name of data file: ")
    inputFile = open(fileName,"r")
    for line in inputFile:
        name,phone = line.split(",")
        list.append(name)
        numElements = numElements + 1
    inputFile.close()
    return(list,numElements)

def writeToFile(list,numElements):
    i = 0
    outputFile = open("names.txt","w")
    print("Writing results to 'names.txt'")
    while (i < numElements):
        temp = list[i] + "\n" + "***" + "\n\n" 
        outputFile.write(temp)
        i = i + 1 
    outputFile.close()

def start():
    list,numElements = readFromFile()
    display(list,numElements)
    writeToFile(list,numElements)

start()