# [ ] review and run example tip = "Notebooks can be exported as .pdf" tip_words = tip.split() print("STRING:", tip) print("LIST:", tip_words, "\n") for word in tip_words: print(word)

# [ ] review and run example rhyme = "London bridge is falling down" rhyme_words = rhyme.split() rhyme_words.reverse() for word in rhyme_words: print(word)

# [ ] split the string(rhyme) into a list of words (rhyme_words) # [ ] print each word on it's own line rhyme = 'Jack and Jill went up the hill To fetch a pail of water' rhyme_words = rhyme.split() for word in rhyme_words: print(word)

# [ ] split code_tip into a list and print the first and every other word code_tip = "Python uses spaces for indentation" code_tip_list = code_tip.split() print(code_tip_list[0:5:2])

# [ ] review and run example code_tip = "Python-uses-spaces-for-indentation" tip_words = code_tip.split('-') print(tip_words)

# [ ] review and run example - study the list print output code_tip = "Python uses spaces for indentation" # split on "a" tip_words = code_tip.split('a') print(code_tip) print(tip_words)

# [ ] review and run example # triple quotes ''' ''' preserve formatting such as spaces and line breaks big_quote = """Jack and Jill went up the hill To fetch a pail of water Jack fell down and broke his crown And Jill came tumbling after""" # split on line breaks (\n) quote_lines = big_quote.split('\n') print(quote_lines, '\n') # print the list in reverse with index slicing for line in quote_lines[::-1]: print(line)

# [ ] split poem into a list of phrases by splitting on "*" # [ ] print each phrase on a new line in title case poem = "Write code frequently*Save code frequently*Comment code frequently*Study code frequently*" split_poem = poem.split("*") for word in split_poem: print(word.title())

# [ ] review and run example tip_words = ['Notebooks', 'can', 'be', 'exported', 'as', '.pdf'] # join tip_words objects with spaces print(" ".join(tip_words))

# [ ] review and run example no_space = "" letters = ["P", "y", "t", "h", "o", "n"] print(no_space.join(letters))

# [ ] review and run example - .join() iterates through sequences dash = "-" space = " " word = "Iteration" ellipises = "..." dash_join = dash.join(word) print(dash_join) print(space.join(word)) print(ellipises.join(word))

# [ ] .join() letters list objects with an Asterisk: "*" letters = ["A", "s", "t", "e", "r", "i", "s", "k"] join_letters = "*".join(letters) print(join_letters)

# [ ] complete Choose the separator phrase_words = ['Jack', 'and', 'Jill', 'went', 'up', 'the', 'hill', 'To', 'fetch', 'a', 'pail', 'of', 'water'] seperator = input("what do you want to use to join words: ") phrase_words_together = seperator.join(phrase_words) print(phrase_words_together)

# [ ] review and run example hello_letters = list("Hello") print(hello_letters)

# [ ] review and run example # cast sting to list word_letters = list("concatenates") # .join() concatenates the list # print on same line setting the end character print('~'.join(word_letters))

# [ ] review and run example print("Hello ", end = '') print("world")

# [ ] review and run example # This is the default print end print("Hello World!", end="\n") print('still something to learn about print()')

# [ ] review and run example # end inserts any valid str character: A-z, 0-9,!,@,*,\n,\t or ''(empty string)... for letter in "Concatenation": print(letter, end='*')

# [ ] use 3 print() statements to output text to one line # [ ] separate the lines by using "- " (dash space) print('Be strong and couragous.', end='- ') print('For the Lord is with you', end='- ') print('wherever you go.', end='- ')

# [ ] create a string (fact) of 20 or more characters and cast to a list (fact_letters) # [ ] iterate fact, printing each char on one line, except for spaces print a new line fact = "All humans have two sections of a brain" fact_letters = list("All humans have two sections of a brain") for letters in fact: if letters == " ": print() else: print(letters, end='')

# [ ] create add the digits str_value = "12345678987654321234" str_list = list("12345678987654321234") sum = 0 for num in str_list: if num.isdigit(): sum += int(num) else: print("string is not all digits") print("+".join(str_list), "=", sum)