how to define a function from a string using python

Question

this is my code :

a = \\
\'\'\'def fun():\\n
    print \'bbb\'
\'\'\'
eval(a)

fun()

but it shows error :

Traceback (most r         


        

Answer 1

If your logic is very simple (i.e., one line), you could eval a lambda expression:

a = eval("lambda x: print('hello {0}'.format(x))")
a("world") # prints "hello world"

As others have mentioned, it is probably best to avoid eval if you can.