rock paper scissors according to game theory code example

Example 1: rock paper scissors

My Rock Paper Scissor game:
https://codepen.io/Lorenzo-SC/pen/ExgpPEO
Please give me a like if you appreciate :)

Example 2: rock paper scissors

import random

print('Get ready for rock,paper,scissors')
user = input('Enter your element:')
element = ['I choose Rock', 'I choose Paper', 'I choose Scissors']
AI = random.choice(element)
print(AI)
# Ties
if AI == str('I choose Rock') and user == str('rock'):
    print('Its a tie')
if AI == str('I choose Paper') and user == str('paper'):
    print('Its a tie')
if AI == str('I choose Scissors') and user == str('scissors'):
    print('Its a tie')
# Rock AI
if AI == str('I choose Rock') and user == str('paper'):
    print('You won')
if AI == str('I choose Rock') and user == str('scissors'):
    print('You lost')
# Rock user
if AI == str('I choose Paper') and user == str('rock'):
    print('You lost')
if AI == str('I choose Scissors') and user == str('rock'):
    print('You won')
# Paper AI
if AI == str('I choose Paper') and user == str('rock'):
    print('You lost')
if AI == str('I choose Paper') and user == str('scissors'):
    print('You won')
# Paper user
if AI == str('I choose Rock') and user == str('paper'):
    print('You won')
if AI == str('I choose Scissors') and user == str('paper'):
    print('You lost')
# Scissors AI
if AI == str('I choose Scissors') and user == str('paper'):
    print('You lost')
if AI == str('I choose Scissors') and user == str('rock'):
    print('You won')
# Scissors user
if AI == str('I choose Paper') and user == str('scissors'):
    print('You won')
if AI == str('I choose Rock') and user == str('scissors'):
    print('You lost')


def restartgame():
    print('Get ready for rock,paper,scissors')
    user = input('Enter your element:')
    element = ['I choose Rock', 'I choose Paper', 'I choose Scissors']
    AI = random.choice(element)
    print(AI)
    # Ties
    if AI == str('I choose Rock') and user == str('rock'):
        print('Its a tie')
    if AI == str('I choose Paper') and user == str('paper'):
        print('Its a tie')
    if AI == str('I choose Scissors') and user == str('scissors'):
        print('Its a tie')
    # Rock AI
    if AI == str('I choose Rock') and user == str('paper'):
        print('You won')
    if AI == str('I choose Rock') and user == str('scissors'):
        print('You lost')
    # Rock user
    if AI == str('I choose Paper') and user == str('rock'):
        print('You lost')
    if AI == str('I choose Scissors') and user == str('rock'):
        print('You won')
    # Paper AI
    if AI == str('I choose Paper') and user == str('rock'):
        print('You lost')
    if AI == str('I choose Paper') and user == str('scissors'):
        print('You won')
    # Paper user
    if AI == str('I choose Rock') and user == str('paper'):
        print('You won')
    if AI == str('I choose Scissors') and user == str('paper'):
        print('You lost')
    # Scissors AI
    if AI == str('I choose Scissors') and user == str('paper'):
        print('You lost')
    if AI == str('I choose Scissors') and user == str('rock'):
        print('You won')
    # Scissors user
    if AI == str('I choose Paper') and user == str('scissors'):
        print('You won')
    if AI == str('I choose Rock') and user == str('scissors'):
        print('You lost')
    again = input('Would you like to play again')
    if again == str('yes'):
        restartgame()
    if again == str('no'):
        raise SystemExit(0)


again = input('Would you like to play again')
if again == str('yes'):
    restartgame()
if again == str('no'):
    raise SystemExit(0)