clean.py

my_dict={"key1":(1,2,13141), "key2":(1,2,4354365462)}

for k,v in my_dict.items():
    tmp = my_dict[k]
    tmp = (tmp[0],tmp[1],"owerwritten")
    my_dict[k]=tmp
    
print(my_dict)
assert my_dict["key1"]==my_dict["key2"]