Use iterator as variable name in python loop

Question

I\'ve been wondering if there is a way to use an iterator as a variable name in a Python loop. For example, if I wanted to create objects v0, v1,

Answer 1

While this does not attempt to answer the question directly (see geccos answer for that), this is generally the "approved" method for such an operation:

v = [i**2 for i in range(3)]

print v[0] # 0
print v[1] # 1
print v[2] # 4

In general it is both cleaner and more extensible to use an ADT (a list in this case) to represent the given problem than trying to create "dynamic variables" or "variable variables".

Happy coding.

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While the above uses indices, the more general form of "variable variables" is generally done with a dictionary:

names = dict(("v" + str(i), i**2) for i in range(3))
print names["v2"] # 4

And, for a fixed finite (and relatively small) set of variables, "unpacking" can also be used:

v0, v1, v2 = [i**2 for i in range(3)]
print v1 # 1