TypeError: 'numpy.float64' object is not iterable when use of write.()

Question

I've this error message TypeError: 'numpy.float64' object is not iterable when y execute my .py.

It occur in:

file=open("results.txt","a")
    for i in ConcatRPH:
        for j in i :
        file.write(j)
    file.write("\n")
file.close()

ConcatRPH is a large array about 2 million line by 3 column which containt floats like -0.00161894927736417and i need to write them in a txt file. I don't know why I have this error ... Do you have any idea ?

Are you sure that you've got the indentation correct? And perhaps this post discusses what you want. — J...S
– J...S, Commented Mar 13, 2019 at 10:36

blue note · Accepted Answer · 2019-03-13 10:35:06Z

0

The only possible reason is that ConcatRPH does not have the shape you think it has. So, most likely, the i you get from for i in ConcatRPH is a float, and you get an error on the following line. Print i to make sure.

However, if you really want to store a table to a text file (not doing it for practice), better use numpy.savetxt.

answered Mar 13, 2019 at 10:35

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1 Comment

Arnaud Over a year ago

Great ! It work with the numpy.savetxt. Thank you blue_note

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