python replaceall

• In python, replace all is similar to replace() function. 
• Here we are going to replace all the characters with new characters.
• It also consists of 3 parameters like new value, old value, count.
• The old value is the string that we have already given in string.
• The new value is the that is to be replaced with.
• The count is the number of times that string to be replaced in the string.

Syntax:  str.replace(old value,new value,count)

#write a python code to demonstrate the replace function.

1. s="hello world"
2. s=s.replace("hello world","my name is hello")
3. print(s)

Output:    my name is hello