Q.No.1 - Write a program to reverse a string.

Sol.-
string1="hello python"
reverse=string1[::-1]
print("String is :-",string1)
print("Reverse of string :-",reverse)

Explain :
Step 1: Set a string name- string1="hello python"
Step 2: Set another variable in which  reverse value store and we transversing string from -1. 
Step 3: print the value. 

OUTPUT:

String is :- hello python
Reverse of string :- nohtyp olleh