f=open("UsernamePasswords.txt","r")#opens text file
usernamePasswords=[]#creates new list
for line in f:#for each line in the textfile
    line=line.strip("\n")#strip the /n in the line
    usernamePasswords.append(line.split())#append the line and break between the space

username=input("Enter your username: ")#asks user for username
found=False#found is false
uPlength=len(usernamePasswords)#length of list
for i in range(uPlength):#for each index in the range of the lists length
    if username == usernamePasswords[i][0]:#if the username is equal to the one in the list
        print("Password =",usernamePasswords[i][1])#prints out the password
        found=True#found is true
if found == False:#if its not found
    print("Username not found")#prints out that the username was not found
f.close()#closes the text file