Def firstChars( word ):
if( word ): # make sure word has characters
print( word[ 0 ] ) # print the first character (Python 3 syntax)
Answer: URN(Uniform Resource Name) is the basically a subset of the Uniform Resource identifier(URL). It uses "urn"scheme for the working an implementation. Uniform resource name functions by identifying components uniquely through their name.
The most common example of URN is ISBN (International Standard Book Number)number which helps in the unique searching and identification of book.
