How to copy a list in Python

old_list = ["Donald is a guy", "Sunshine", 3]
new_list = old_list
old_list.append("Parapara")
new_list.append("akaka")
print(new_list)
print(old_list)
old_list = ["Donald is a guy", "Sunshine", 3]
new_list = old_list[:]
old_list.append("Parapara")
new_list.append("akaka")
print(new_list)
print(old_list)

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