String Operations

What is a String ? A string is a sequence of characters (letters, numbers, symbols, spaces, etc.) enclosed within quotes. In simple words: Text data = String How to create a string You can use: Single quotes ' ' Double quotes " " Triple quotes ''' ''' or """ """ (for multi-line) name = " Silambu " city = ' Chennai ' msg = """ This is multiple line string """ String is immutable → you cannot change characters directly Each character has an index (position) text = " Python " print ( text [ 0 ]) # P print ( text [ 1 ]) # y Common string operations name = " silambu " print ( name . upper ()) # SILAMBU print ( name . capitalize ()) # Silambu print ( name . lower ()) # silambu print ( len ( name )) # 7 print ( " My name is " + name ) #My name is Silambu Both first & last letter capital name = " silambu " result = name [ 0 ]. upper () + name [ 1 : - 1 ] + name [ - 1 ]. upper () print ( result ) Output: SilambU First letter → name[0].upper() Last letter → name[-1].upper()