Day 3

# day 3 # Hacker Rank Problem(What's your name)
def print_full_name(a, b):
    print("Hello" + " " + a + " " + b + "! You just delved into python.")

if __name__ == '__main__':
    first_name = input()
    last_name = input()
    print_full_name(first_name, last_name)
    
    
 Output -
 Chetan
 Gaur
 Hello Chetan Gaur! You just delved into python.
 
 # day 3 (problem 2)
 # HackerRank Problem solution( problem mutations)
def mutate_string(string, position, character):
    nlist=list(string)
    nlist[position]=character
    nstring=''.join(nlist)
    return nstring

if __name__ == '__main__':
    s = input()
    i, c = input().split()
    s_new = mutate_string(s, int(i), c)
    print(s_new)

Output-
chetan
3 m
cheman