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1 PerryLorier 1 !!!Dynamic Typing
2
2 PerryLorier 3 This is the opposite to StaticallyTyped, where type checks are done at runtime. For instance [Python] is an example of a dynamically typed language, it allows you to pass any type to a function, however some internal functions can only take specific types.
1 PerryLorier 4
5 for example:
6 def mul(a,b):
7 return a*b
8
9 >>> print mul(2,3)
10 ''6''
11 >>> print mul("*",3)
12 ''***''
13 >>> print mul("*","*")
14 ''Traceback (most recent call last):''
15 '' File "<stdin>", line 1, in ?''
16 ''!TypeError: unsupported operand type(s) for *: 'str' and 'str' ''
17
18
3 CraigBox 19 [Scheme], [Perl], [Python], SmallTalk, bash(1) are all Dynamically Typed languages, it's quite common for scripting languages to be dynamically typed.