2048_Game_CommandLine.py

import random

def start_game():
    mat = []
    for i in range(4):
        mat.append([0]*4)
    return mat

def add_new_2(mat):
    r=random.randint(0,3)
    c=random.randint(0,3)
    while mat[r][c]!=0:
        r=random.randint(0,3)
        c=random.randint(0,3)
    mat[r][c]=2

def compress(mat):
    new_mat=[]
    for i in range(4):
        new_mat.append([0]*4)    
    for i in range(4):
        pos=0
        for j in range(4):
            if mat[i][j]!=0:
                new_mat[i][pos]=mat[i][j]
                pos=pos+1        
    return new_mat

def merge(mat):
    for i in range(4):
        for j in range(3):
            if mat[i][j]==mat[i][j+1]  and mat[i][j]!=0     :
                mat[i][j]=mat[i][j]*2
                mat[i][j+1]=0
    return mat

def reverse(mat):
    new_mat=[]
    for i in range(4):
        new_mat.append([])
        for j in range(4):
            new_mat[i].append(mat[i][4-j-1])
    return new_mat

def transpose(mat):
    new_mat=[]
    for i in range(4):
        new_mat.append([])
        for j in range(4):
            new_mat[i].append(mat[j][i])
    return new_mat

def move_up(grid):
    
    transposed_grid=transpose(grid)
    new_grid=compress(transposed_grid)
    new_grid=merge(new_grid)
    new_grid=compress(new_grid)
    final_new_grid=transpose(new_grid)
    return final_new_grid

def move_down(grid):
    transposed_grid=transpose(grid)
    reversed_grid=reverse(transposed_grid)
    new_grid=compress(reversed_grid)
    new_grid=merge(new_grid)
    new_grid=compress(new_grid)
    final_reversed_grid=reverse(new_grid)
    final_new_grid=transpose(final_reversed_grid)
    return final_new_grid

def move_right(grid):
    reversed_grid=reverse(grid)
    new_grid=compress(reversed_grid)
    new_grid=merge(new_grid)
    new_grid=compress(new_grid)
    final_new_grid=reverse(new_grid)
    return final_new_grid

def move_left(grid):
    new_grid=compress(grid)
    new_grid=merge(new_grid)
    new_grid=compress(new_grid)
    return new_grid

mat = start_game()
mat[1][3] = 2
mat[2][2] = 2
mat[3][0] = 4
mat[3][1] = 8
mat[2][1] = 4

inputs = [int(ele) for ele in input().split()]
for ele in inputs:
    if ele == 1:
        mat = move_up(mat)
    elif ele == 2:
        mat = move_down(mat)
    elif ele == 3:
        mat = move_left(mat)
    else:
        mat = move_right(mat)
    print(mat)