Re write the program below and correct all the errors one = 1
two = 2
three = 3
four = one + two + 3
print(Four).

hello = "hello
world = "world"
helloWorld = hello + " " world
Print((helloworld))

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names

Consider the usual algorithm to convert an infix expression to a postfix expression. suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: (5 points) | | | + | | ( | bottom |_*_| now, suppose that you read and process the 11th symbol of the input. draw the stack for the case where the 11th symbol is

Match the function to its purpose. fast worth 50pts.