added string examples of indexing,immutable and convert other datatype

Author: easyawslearn

Diff for: Python-String/String-convert-in-other-data-type.py

@@ -0,0 +1,26 @@
+#Python String Demostration
+
+#How to club with other character
+example = "test"
+print ('w' + example[1:])
+
+#Converting String to list
+list_example=list(example)
+print ("String Data Type value is :",example)
+print ("List data type:",list_example)
+
+#Converting String to set
+set_example=set(example)
+print ("String Data Type value is :",example)
+print ("Set data type:",set_example)
+
+#Converting String to boolean
+boolean_example=bool(example)
+print ("String Data Type value is:",example)
+print ("Boolean data type:",boolean_example)
+
+example =''
+#Converting String to boolean with blank value
+boolean_example=bool(example)
+print ("String Data Type value is:",example)
+print ("Boolean data type:",boolean_example)

Diff for: Python-String/String-immutable.py

@@ -0,0 +1,12 @@
+#Python String immutable Demostration
+
+#Sting is immutable we can not change the value from indexing 
+example="python"
+
+print ("first character of string\n",example[0])
+
+example[0] = "S"
+
+print ("first character of string\n",example[0])
+
+#TypeError: 'str' object does not support item assignment

Diff for: Python-String/String-indexingandSlicing.py

@@ -0,0 +1,61 @@
+#Demostration of Pythong String Indexing
+
+example= "Python Scripting"
+
+"""
+P   Y   T   H   O   N       S   C   R   I   P   T   I   N   G
+0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15 (Sequecebe )
+-16-15 -14 -13 -12 -11 -10 -9  -8  -7  -6  -5  -4  -3  -2  -1 ()
+ """
+
+print("Initial String: ")
+print(example)
+
+# Printing First character
+print("\nFirst character of String is: ")
+print(example[0])
+#output would be P
+
+print ("\n7th Character of String is:\n",example[7])
+#this will print only S
+
+# Printing Last character
+print("\nLast character of String is: ")
+print(example[-1])
+#output would be G
+
+# Printing 3rd to 12th character
+print("\nSlicing characters from 3-12: ")
+print(example[3:12])
+#output would be "hon Script"
+
+# Printing characters between
+# 3rd and 2nd last character
+print("\nSlicing characters between " + "3rd and 2nd last character: ")
+print(example[3:-2])
+#hon Script
+
+#printing character from 1 to end
+print ("\nCharacter from 1 to :")
+print (example[1:])
+
+#printing character from 1 to 6
+print ("\nCharacter from 1 to 6")
+print (example[1:6])
+
+#printing character from 1 to 12
+print ("\nCharacter from 1 to 12")
+print (example[1:12])
+
+#printing character from 1 to 12 with increment by 2
+print ("\nCharacter from 1 to 12 with increment by 2")
+print (example[1:12:2])
+
+
+#printing character from 1 to 12 with increment by 2
+print ("\nCharacter from -3 to -1 with increment by 2")
+print (example[-9:-1:-1])
+
+#printing character from -3 -15 in reverse order
+print ("\nCharacter from -3 -15 in reverse order")
+print (example[-3::-1])