📅  最后修改于: 2022-03-11 14:45:18.537000             🧑  作者: Mango
# Strings are immutable in python, so you cannot insert characters.
# You could do convert it to a list however:
text = "Hello Warld"
text = list(text)
text[7] = "o"
text = "".join(text)
>>>text
"Hello World"