Python copy speed

copy_test.py

# import the time module
import time
from copy import copy


class GridPoint:
    x: float
    y: float
    row: int
    col: int
    
    def __init__(
        self,
        x=0,
        y=0,
        row=0,
        col=0,
    ):
        self.x = x
        self.y = y
        self.row = row
        self.col = col
        

x = GridPoint(1,2,3,4)

print(x)
iterations = 1000000

res_regular = []
start_regular=time.time()
for i in range(0, iterations):
    res_regular.append(GridPoint(i, 1, 1, 1))
end_regular=time.time()
print("Regular duration = ", end_regular-start_regular)



res_copy = []
start_copy=time.time()
prototype=GridPoint(i, 1, 1, 1)
for i in range(0, iterations):
    instance=copy(prototype)
    instance.x=1
    res_copy.append(instance)
end_copy=time.time()
print("Copy duration = ", end_copy-start_copy)