# coding on demand def get_middle_word(sentence): splitted_sentence = sentence.split() middle = int(len(splitted_sentence)/2) return splitted_sentence[middle] user_input = input("Enter full sentence to get middle word:") print(f"The middle word of the sentence '{user_input}' is: {get_middle_word(user_input)}")

# [X] print out the "physical states of matter" (matter_states) in 4 sentences using list iteration # each sentence should be of the format: "Solid - is state of matter #1" matter_states = ['solid', 'liquid', 'gas', 'plasma'] number = 1 for item in matter_states: print(f"{item.title()} - is state of matter #{number}") number += 1

# [X] iterate the list (birds) to see any bird names start with "c" and remove that item from the list # print the birds list before and after removals birds = ["turkey", "hawk", "chicken", "dove", "crow"] print(f"birds before = {birds}") for bird in birds: if bird.lower().startswith("c"): birds.remove(bird) print(f"birds after = {birds}")

# the team makes 1pt, 2pt or 3pt baskets # [X] print the occurace of each type of basket(1pt, 2pt, 3pt) & total points using the list baskets baskets = [2,2,2,1,2,1,3,3,1,2,2,2,2,1,3] ones = 0 twos = 0 threes = 0 total = 0 for item in baskets: total += item if item == 1: ones += 1 elif item == 2: twos += 1 elif item == 3: threes += 1 print(f"1pts = {ones}") print(f"2pts = {twos}") print(f"3pts = {threes}") print(f"total = {total}")

# [X] using range() print "hello" 4 times for number in range(4): print("hello")

# [X] find spell_list length # [X] use range() to iterate each half of spell_list # [X] label & print the first and second halves spell_list = ["Tuesday", "Wednesday", "February", "November", "Annual", "Calendar", "Solstice"] list_length = len(spell_list) half_index = int(list_length/2) print("First half:") for number in range(half_index): print(spell_list[number]) print() print("Second half:") for number in range(half_index, list_length): print(spell_list[number])

# [X] build a list of numbers from 20 to 29: twenties # append each number to twenties list using range(start,stop) iteration # [X] print twenties twenties = [] for number in range(20, 30): twenties.append(number) print(twenties)

# [X] iterate through the numbers populated in the list twenties and add each number to a variable: total # [X] print total total = 0 for number in twenties: total += number print(f"total = {total}")

# check your answer above using range(start,stop) # [X] iterate each number from 20 to 29 using range() # [X] add each number to a variable (total) to calculate the sum # should match earlier task total = 0 for number in range(20, 30): total += number print(f"total = {total}")

# [X] create a list of odd numbers (odd_nums) from 1 to 25 using range(start,stop,skip) # [X] print odd_nums # hint: odd numbers are 2 digits apart odd_nums = [] for number in range(1, 26, 2): odd_nums.append(number) print(odd_nums)

# [X] create a Decending list of odd numbers (odd_nums) from 25 to 1 using range(start,stop,skip) # [X] print odd_nums, output should resemble [25, 23, ...] odd_nums = [] for number in range(25, 0, -2): odd_nums.append(number) print(odd_nums)

# the list, elements, contains the names of the first 20 elements in atomic number order # [X] print the even number elements "2 - Helium, 4 - Beryllium,.." in the list with the atomic number elements = ['Hydrogen', 'Helium', 'Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', 'Oxygen', 'Fluorine', \ 'Neon', 'Sodium', 'Magnesium', 'Aluminum', 'Silicon', 'Phosphorus', 'Sulfur', 'Chlorine', 'Argon', \ 'Potassium', 'Calcium'] for number in range(0, len(elements), 2): print(f"{number + 2} - {elements[number + 1]}")

# [X] # the list, elements_60, contains the names of the first 60 elements in atomic number order # [X] print the odd number elements "1 - Hydrogen, 3 - Lithium,.." in the list with the atomic number elements_60 elements_60 = ['Hydrogen', 'Helium', 'Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', \ 'Oxygen', 'Fluorine', 'Neon', 'Sodium', 'Magnesium', 'Aluminum', 'Silicon', \ 'Phosphorus', 'Sulfur', 'Chlorine', 'Argon', 'Potassium', 'Calcium', 'Hydrogen', \ 'Helium', 'Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', 'Oxygen', 'Fluorine', \ 'Neon', 'Sodium', 'Magnesium', 'Aluminum', 'Silicon', 'Phosphorus', 'Sulfur', 'Chlorine', \ 'Argon', 'Potassium', 'Calcium', 'Scandium', 'Titanium', 'Vanadium', 'Chromium', 'Manganese', \ 'Iron', 'Cobalt', 'Nickel', 'Copper', 'Zinc', 'Gallium', 'Germanium', 'Arsenic', 'Selenium', \ 'Bromine', 'Krypton', 'Rubidium', 'Strontium', 'Yttrium', 'Zirconium'] for number in range(0, len(elements_60), 2): print(f"{number + 1} - {elements_60[number]}")

# [X] print the combined lists (numbers_1 & numbers_2) using "+" operator numbers_1 = [20, 21, 22, 23, 24, 25, 26, 27, 28, 29] # pythonic casting of a range into a list numbers_2 = list(range(30,50,2)) print("numbers_1:",numbers_1) print("numbers_2:",numbers_2) print("all_numbers:", numbers_1 + numbers_2)

# [X] print the combined element lists (first_row & second_row) using ".extend()" method first_row = ['Hydrogen', 'Helium'] second_row = ['Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', 'Oxygen', 'Fluorine', 'Neon'] print("1st Row:", first_row) print("2nd Row:", second_row) first_row.extend(second_row) print("All Rows:", first_row)

# [X] create the program: combined 3 element rows elem_1 = ['Hydrogen', 'Helium'] elem_2 = ['Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', 'Oxygen', 'Fluorine', 'Neon'] elem_3 = ['Sodium', 'Magnesium', 'Aluminum', 'Silicon', 'Phosphorus', 'Sulfur', 'Chlorine', 'Argon'] print("The 1st three rows of the Period Table of Elements contain:") print(elem_1 + elem_2 + elem_3)

# [X] .extend() jack_jill with "next_line" string - print the result jack_jill = ['Jack', 'and', 'Jill', 'went', 'up', 'the', 'hill'] next_line = ['To', 'fetch', 'a', 'pail', 'of', 'water'] jack_jill.extend(next_line) print(jack_jill)

# [X] use .reverse() to print elements starting with "Calcium", "Chlorine",... in reverse order elements = ['Hydrogen', 'Helium', 'Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', 'Oxygen', 'Fluorine', \ 'Neon', 'Sodium', 'Magnesium', 'Aluminum', 'Silicon', 'Phosphorus', 'Sulfur', 'Chlorine', 'Argon', \ 'Potassium', 'Calcium'] elements.reverse() for element in elements: print(element)

# [X] print words in spell_list that 8 or more characters in length in reverse order spell_list = ["Tuesday", "Wednesday", "February", "November", "Annual", "Calendar", "Solstice"] spell_list.reverse() for spell in spell_list: if len(spell) >= 8: print(spell)

# [X] sort the list element, so names are in alphabetical order and print elements elements = ['Hydrogen', 'Helium', 'Lithium', 'Beryllium', 'Boron', 'Carbon', 'Nitrogen', 'Oxygen', 'Fluorine', \ 'Neon', 'Sodium', 'Magnesium', 'Aluminum', 'Silicon', 'Phosphorus', 'Sulfur', 'Chlorine', 'Argon', \ 'Potassium', 'Calcium'] elements.sort() print(elements)

# [X] print the list, numbers, sorted and then below print the original numbers list numbers = [2,2,2,1,2,1,3,3,1,2,2,2,2,1,3] old_numbers = str(numbers) numbers.sort() print(f"numbers sorted: {numbers}") print(f"original numbers: {old_numbers}")

# [X] split the string, daily_fact, into a list of word strings: fact_words # [X] print each string in fact_words in upper case on it's own line daily_fact = "Did you know that there are 1.4 billion students in the world?" fact_words = daily_fact.split() for item in fact_words: print(item.upper())

# [X] convert the string, code_tip, into a list made from splitting on the letter "o" code_tip = "always save your notebook!" code_list = code_tip.split("o") for item in code_list: print(item)

# [X] split poem on "b" to create a list: poem_words # [X] print poem_words by iterating the list poem = "The bright brain, has bran!" poem_words = poem.split("b") for item in poem_words: print(item)

# [X] print a comma separated string output from the list of Halogen elements using ".join()" halogens = ['Chlorine', 'Florine', 'Bromine', 'Iodine'] print(", ".join(halogens))

# [X] split the sentence, code_tip, into a words list # [X] print the joined words in the list with no spaces in-between # [X] Bonus: capitalize each word in the list before .join() code_tip ="Read code aloud or explain the code step by step to a peer" code_list = code_tip.split() for number in range(len(code_list)): code_list[number] = code_list[number].title() print("".join(code_list))

# [X] cast the long_word into individual letters list # [X] print each letter on a line long_word = 'decelerating' long_list = list(long_word) for item in long_list: print(item)

# [X] use use end= in print to output each string in questions with a "?" and on new lines questions = ["What's the closest planet to the Sun", "How deep do Dolphins swim", "What time is it"] for item in questions: print(item, end = "?\n")

# [X] print each item in foot bones # - capitalized, both words if two word name # - separated by a comma and space # - and keeping on a single print line foot_bones = ["calcaneus", "talus", "cuboid", "navicular", "lateral cuneiform", "intermediate cuneiform", "medial cuneiform"] for item in foot_bones: print(item.title(), end = ", ")