Write a program to print the number of occurrences of a substring into a line using built-in string function find().

Q. Write a program to print the number of occurrences of a sub-string into a line using built-in string function find().

Answer =

sen = input("Enter a sentence :- ")
sub = input("Enter a sub-string :- ")
count = 0
n = 0 
while n < len(sen) :
    n = sen.find(sub,n)
    if n == -1 :
        break
    else :
        count += 1
        n += 1
print("Number of ", sub, "is :- ", count)

Output :-

Enter a sentence :- the path walla is the website.
Enter a sub-string :- the
Number of  the is :-  2
>>>

Enter a sentence :- hello world, hello friends, hello hello !
Enter a sub-string :- hello
Number of  hello is :-  4
>>>