ValueError: too many values to unpack (expected 2)

Too many values passed back from a python function

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Python differs from some other languages in that you can pass back multiple values from a function. The number of values that you retrieve from a function needs to match the number of values that you return from the function.

For example, if you have this function:

def funkyfunk(test1, test2, test3):
     #do something with values
     return test1, test2, test3

and then you call the function like this:

test1, test2 = funkyfunk(test1, test2, test3)

that causes this error:

ValueError: too many values to unpack (expected 2)

To fix it return three and read three values:

def funkyfunk(test1, test2, test3):
     #do something with values
     return test1, test2, test3

test1, test2, test3 = funkyfunk(test1, test2, test3)

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Summarize

ValueError: too many values to unpack (expected 2)

Too many values passed back from a python function