Python program to reverse order of its words in given sentence

Write a Python code to accept a sentence. Display the sentence in reverse order of its words.

Sample Input: Computer is fun

Sample Output: Fun is Computer

wd="";rwd=""
str=input("Enter a string :")
str=str+" "
p=len(str)
for i in range(0,p):
    if(str[i]==" "):
        rwd=wd+" "+rwd
        wd=""
    else:
        wd=wd+str[i]
print("Words in reversed order:",rwd)

Enter a string :Infomax Computer Academy

Words in reversed order: Academy Computer Infomax