Just use replace()
method on strings..
Like this
>>> mystr = 'My name is Alice'
>>> mystr.replace('Alice','Alex')
'My name is Alex'
Also, if you have any doubts about anything, you should use help()
.
Like in your case:
>>> help(type(mystr))
Help on class str in module __builtin__:
class str(basestring)
| str(object) -> string
...
...
| replace(...)
| S.replace(old, new[, count]) -> string
|
| Return a copy of string S with all occurrences of substring
| old replaced by new. If the optional argument count is
| given, only the first count occurrences are replaced.
|
...
...
| ----------------------------------------------------------------------
| Data and other attributes defined here:
|
| __new__ = <built-in method __new__ of type object>
| T.__new__(S, ...) -> a new object with type S, a subtype of T