Learning records of python strings

1, ord(), convert the characters into their corresponding ASCII codes

chr(), convert the ASCII codes into the corresponding Characters

Example: Convert a binary number string to the equivalent decimal number

2. String modification:

Strings are immutable and cannot be changed after they are created; if you want to modify them, you can create a new string and use the same Variable nameAssign a value to it

##You can also use replace()

function to modify it:

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