# read and print each line of a plain text file
in_file = open("states.txt", "r")

for line in in_file:
    print(line)
    
in_file.close()


# read and print each line of a plain text file, eliminate extra new line
in_file = open("states.txt", "r")

for line in in_file:
    print(line, end='')
    
in_file.close()


# write data to plain text file
out_file = open("gettysburg.txt", "w")
out_file.write("Four score and seven years ago,\n")
out_file.write("our fathers brought forth on this continent, a new nation,\n")
out_file.write("conceived in Liberty, and dedicated to the proposition ")
out_file.write("that all men are created equal.\n")
out_file.close()


# read csv file
import csv

csvfile = open('us-500.csv', 'r')
csvdata = csv.reader(csvfile)
for row in csvdata:
    print( row )
csvfile.close()


# read csv with different file open/close syntax
import csv

with open( 'us-500.csv' ) as csvfile:
    csvdata = csv.reader(csvfile)
    for row in csvdata:
        print( row )


# read csv file and search for specific data
import csv

with open( 'us-500.csv') as csvfile:
    csvdata = csv.reader(csvfile)
    next(csvdata, None)  # skip the header
    for row in csvdata:
        if( row[7] == '94104' ):
            print( row[0], row[1], row[7] ) # print name/zip