using_map().py

# You can changed it to integer or a string values - like (n: str)
values = [1, 2, 3, 4]

def x_i(n: int):
    return n * 'X'

mapped = map(x_i, values)
print(list(mapped))

#-------------------------------------------------

# You can do it manually 
a = 'X'
print(1*a,2*a,3*a,4*a)
print(f"{1*a} - {2*a} - {3*a} - {4*a}")