My print function syntax is causing an error in python 3

Question

I have a list of lists with tuples. I want to get the length of a tuple using:

item1=(4, 8, 16, 30)
list6=[[(4, 8, 16, 29)], [(4, 8, 16, 30)], [(4, 8, 16, 32)]]
print("list6.index((4, 8, 16, 29)):",list6.index([item1]))
print("len(list6[1]):"), len(list6[1])

Output:    
list6.index((4, 8, 16, 29)): 1
len(list6[1]):

There is no value for len(list6[1]). Can someone show me the correct syntax for this?

Cannot reproduce. The print statement correctly outputs "1". — Daniel Roseman
– Daniel Roseman, Commented Jun 16, 2015 at 8:03
The odd thing is the program exits correctly: "Process finished with exit code 0" — matt2605
– matt2605, Commented Jun 16, 2015 at 8:05

Daniel Roseman · Accepted Answer · 2015-06-16 08:16:10Z

2

The code works fine in Python 2. If you are using Python 3, there is an issue with last line, because print is a function. So, because of where you've put the close parenthesis, only the first part is actually passed to print. Try this instead

print("len(list6[1]):", len(list6[1]))

answered Jun 16, 2015 at 8:16

Daniel Roseman

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1 Comment

matt2605 Over a year ago

Rather shocking on my part. I may be relying too much on the editor to pick up the syntax errors. I am using Python 3. Great, thank you.

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