Python Error TypeError: cannot concatenate 'str' and 'float' objects [duplicate]

Question

I am new with Python programming. I keep getting the below error on the 'str'. When I added the + str, it didnt work.

wkt = "POINT("+ geoPoint["lat"] +" " + geoPoint["lon"] + ")"

TypeError: cannot concatenate 'str' and 'float' objects

Any advice on how I can fix this error?

Don't learn the language by typing the code without understanding the meaning. Start with reading an excellent Python tutorial (included with any Python distribution, also available on python.org website). — Eugene Morozov
– Eugene Morozov, Commented May 15, 2017 at 4:33

Jon Kiparsky · Accepted Answer · 2017-05-15 03:48:37Z

3

The simplest solution would look like this:

wkt = "POINT("+ str(geoPoint["lat"]) +" " + str(geoPoint["lon"]) + ")"

The following would be more in line with accepted Python stylistic standards:

wkt = "POINT(%f %f)" % (geoPoint["lat"], geoPoint["lon"])

This uses the simplest form of string formatting

You could do something nicer still:

wkt = "POINT({lat} {lon}".format(**geoPoint)

See the linked page for more ideas on this.

answered May 15, 2017 at 3:48

Jon Kiparsky

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Mohammed Yasin · Accepted Answer · 2017-05-15 04:10:15Z

2

Not able to concatenate 'str' and 'float' with '+'

Best way to concatenate string and float in python.Use format function:

wkt = "POINT({} {})".format(geoPoint["lat"], geoPoint["lon"])

Also use:

>>>wkt = "POINT(%s %s)" % (geoPoint["lat"], geoPoint["lon"])
>>>'s'+2    # use like this.It will raise type error exception
TypeError: cannot concatenate 'str' and 'float' objects
>>>'%s%s' % ('s', 2)
's2'
>>>'POINT({}{})'.format(geoPoint["lat"], geoPoint["lon"])
# It will print your value

edited May 15, 2017 at 4:10

answered May 15, 2017 at 3:54

Mohammed Yasin

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