As with any other Python sequence, we can determine the length of a string with the built-in len() function.
>>> len("llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch")
58
The sign for the railway station at Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogo
gogoch on the Welsh island of Anglesey – the longest place name in Europe:
Figure 5.1: The longest place name in Europe