def same_parity_filter(sp:list) ->list:
base_sp=[]
if sp[0]%2 ==0:
for i in sp:
if i%2 == 0:
base_sp.append(i)
else:
for i in sp:
if i%2 != 0:
base_sp.append(i)
return base_sp
print(same_parity_filter([-1, 0, 1, -3, 10, -2]))