import csv

def Files():
    """reads in the file"""
    with open ('logindetails.csv','r') as myFile:
        reader = csv.reader(myFile)
        names = list(reader)
    return names

def L1():
    userlist=Files()
    valid=False
    times=0
    User1=input("Enter your username. ")
    Pass1=input("Enter your password. ")
    for i in range(0, len(userlist)):
        if User1==userlist[i][0] and Pass1==userlist[i][1]:
            valid=True
            print("Welcome to the game!")
            break
        else:
            valid=False
    if valid==False:
        print("Incorrect username and/or password.")
    return valid,User1





def Main():
    count=0
    while count<2:
        valid,player=L1()
        if valid==False:
            valid,player=L1()
        if count==0:
            player1=player
        else:
            player2=player
        count=count+1
    print(player1,",You are Player 1")
    print(player2,",You are Player 2")
    return(player1,player2)

player_1,player_2=Main()