# -*- coding: utf-8 -*-
# Loop version
#def linesFromFile(filename):
#    '''Returns a list of all the lines from a 
#    file with the given filename. In each line, 
#    the terminating newline has been removed.'''
#
#    strippedLines = []
#    inFile = open(filename, 'r')
#    lines = inFile.readlines()
#    for line in lines:
#        strippedLines.append(line.strip()) # remove trailing newline
#    inFile.close()
#    return strippedLines

# List comprehension version
#def linesFromFile(filename):
#    '''Returns a list of all the lines from a 
#    file with the given filename. In each line, 
#    the terminating newline has been removed.'''
#     
#    inFile = open(filename, 'r')
#    strippedLines = [line.strip() 
#                     for line in inFile.readlines()]
#    inFile.close()
#    return strippedLines
    
def linesFromFile(filename):
    '''Returns a list of all the lines from a 
    file with the given filename. In each line, 
    the terminating newline has been removed.'''
    
    with open(filename, 'r') as inputFile:
        return [line.strip() for line in inputFile.readlines()]

try:
    memories = linesFromFile('memories.txt')
except IOError:
    memories = []

def printMemories():
    '''Print a numbered list of all memories'''
    for i in range(0, len(memories)):
        print(str(i+1) + '. ' + memories[i])

def remember(mem):
    '''Remember mem persistently and print all memories'''
    memories.append(mem)  # Add mem to end of list
    with open('memories.txt', 'a') as memFile:
	memFile.write(mem + '\n') # Add mem to end of file
    printMemories()  # Print all memories