Beginner code help

[SuperNova]

Hi everyone, I am new to Python and would appreciate some greatly needed help. I am using functions with csv files and my code doesn't seem to work, please can you help:

x = 0
score = x
import csv

datafile = open('questions.csv', 'r')
myreader = csv.reader(datafile)

print ("Welcome to the Quiz, please choose a quiz number. \n 1.Sports \n 2.Geography")
choice = input()

if choice == "1":
Sportsmenu()

if choice == "2":
print ("Geography")

def Sportsmenu():
print ("Welcome to the Sports quiz, please choose a difficulty level. \n 1.Easy \n 2.Medium \n 1.Hard")
choice = input()

if choice == "1":
def easysports():
if choice == "2":
print ("Medium")

def easysports():
datafile = open('questions.csv', 'r')
myreader = csv.reader(datafile)
print("Welcome to Easy Sports")
for row in myreader:
print(row[0])
answer1 = input("Please enter your answer ")

if answer1.lower() == (row[2]):
print("Correct")
x = x + 1
else:
print("Incorrect")

print(row[1])
answer2 = input("Please enter your answer ")
if answer2.lower() == (row[3]):
print("Correct")
x = x + 1
else:
print("Incorrect")


score = (x / 2) * 100
name = input("What is your name? ")
print(name, x, "out of 2, your score is", score,)

writefile = open("scores.csv","a")
writefile.write(name + "," + score+ "\n")
writefile.close()
print("Score added to file")

Thanks