# File_IO_Grid_File.py
#
# Description: Reading the content of a file in various ways.
#
# Author: Anne Lavergne
# Last modified date: March 2024

def readGrid_v1(anInputFile):
    '''Reading a grid from file "anInputFile" using list().'''

    print(f"\nCalling readGrid_v1({anInputFile})")

    # Opening a file for reading
    fileR = open(anInputFile, 'r')

    # Read all lines from a file into a list
    myList1 = list(fileR)
    print(myList1)

    # Close the file
    fileR.close( )

    return


def readGrid_v2(anInputFile):
    '''Reading a grid from file "anInputFile" using a for loop.'''

    print(f"\nCalling readGrid_v2({anInputFile})")

    # Opening a file for reading
    fileR = open(anInputFile, 'r')
    
    # Read a line at a time using a for loop
    for line in fileR:
        strippedLine = line.strip('\n')
        print(strippedLine)

    # Close the file
    fileR.close( )
    
    return

    
# *** Main part of program
        
# Ask user to enter a filename
theInputFile = input("Please, enter a filename: ")

# Reading (and printing) a line at a time from a file
readGrid_v1(theInputFile)
readGrid_v2(theInputFile)