Write a program to convert a string with more than one word into titlecase string where string is passed as parameter. (Titlecase means that the first letter of each word is capitalized.)

Write a program that takes a sentence as an input parameter where each word in the sentence is separated by a space. The function should replace each blank with a hyphen and then return the modified sentence.

What will be the output of the following programming code?

str = "My Python Programming"
print (str[-5:-1])
print (str[1:5])
print (str[:-4])
print (str[0:])
print (str[:13-4])
print (str[:3])

Write a program to count the number of each vowel in a given string.