# Yixuan Sun # 9/20/2021 # I learn how to create a function with return value, parameter, multiple parameters, sequence in coding tasks # the difficulties is make to code, read more notes

# [ ] define and call a function short_rhyme() that prints a 2 line rhyme # I use define to enter 2 sentence and call the sentence out. def short_rhyme(): print("today, we're going to the beach. we are going to eat peach.") short_rhyme()

# [ ] define (def) a simple function: title_it() and call the function # - has a string parameter: msg # - prints msg in Title Case def title_it(phrase): print(phrase.upper() ) # call function with a string title_it(" my name is Yixuan ")

# [ ] get user input with prompt "what is the title?" # [ ] call title_it() using input for the string argument # I creat an input is called what is the title to let user write in. title_it = input("what is the title: ") print(title_it)

# [ ] define title_it_rtn() which returns a titled string instead of printing # [ ] call title_it_rtn() using input for the string argument and print the result def title_it_rtn(): print(title_it_rtn) print("hello") # string argument

# I use 2 string arguments: book and price # [ ] create, call and test bookstore() function def bookstore (book, price): book = (book_entry) # bookstore returns a string in the sentence form return 'title: ' + book + 'costs $' + price book_entry = input("enter book name: ") price_entry = input("price: ") info=bookstore(book_entry, price_entry) # print return value of bookstore() bookstore(book_entry, price_entry)

def make_greeting(name, greeting = "Hello"): return (greeting + " " + name + "!") # get name and greeting, send to make_greeting def get_name(): name_entry = input("enter a name: ") return name_entry def get_greeting(): greeting_entry = input("enter a greeting: ") return greeting_entry print(make_greeting(get_name(),get_greeting())) # I fix it by move the print down to the last place