String exercise

string_exercise.py

"""
1. Write a Python program to get a string from a given string
where all occurrences of its first char have been changed to '$',
except the first char itself. 

Sample String : 'restart'
Expected Result : 'resta$t'
"""

"""
2. Write a Python program to get a single string from two given strings,
separated by a space and swap the first two characters of each string. 
Sample String : 'abc', 'xyz' 
Expected Result : 'xyc abz'
"""

"""
3. Write a Python program to remove the nth index character
from a nonempty string.
Hint: 'string' and 'index' both from user input  
"""

"""
4. Write a Python program to change a given string to a new string
where the first and last chars have been exchanged.
"""

"""
5. Write a Python program that accepts a comma separated sequence of words
as input and prins in list
Sample Words : red, white, black, red, green, black
Expected Result : [black, green, red, white,red]
"""

"""
6. Write a Python program to create the HTML string with tags around the word(s).
Sample input and result : 

input: 'i' and  'Python'  
output: '<i>Python</i>'
input: 'b', and 'Python Tutorial'
output: '<b>Python Tutorial </b>'

"""