3.Use a Python string method for each of these: - determine if a string cost contains only numbers. - return how many times the letter 'e' appears in a string called sentence - return the number of characters in a string tmp 4. Exact Output – EXPLAIN WHAT HAPPENED! sentence = "Hi Bye"; tmp = sentence.split(" "); print(tmp) sentence = “hello!" tmp = sentence.split(“ “); print(tmp) 5. Use the Python string method join to - Create a new string that consists of lastName with a comma and a space followed by the firstName firstName = "Sue"; lastName = "Jones"

What characters are used as delimiters when null is passed as an argument to the Split method of a string object?

In Programming When you work with text, sometimes you need to determine if a given string starts with or ends with certain characters. You can use two string methods to solve this problem: .startswith() and .endswith()?

In Python represents: Empty string Space Nothing Will give an error.