U1M1A1.8.4PRAPRO

# [ ] access and print the second character from planet_name: "u" planet_name = "Jupiter" print(planet_name[1])

# [ ] access and print the first character from planet_name: "J" planet_name = "Jupiter" print(planet_name[0])

# [ ] access and print the first and last characters from planet_name planet_name = "Jupiter" print(planet_name[0]+planet_name[-1])

# [ ] using a negative index access and print the first character from planet_name: "J" planet_name = "Jupiter" print(planet_name[-7])

# [ ] print planet_name sliced into the first 3 characters and remaining characters planet_name = "Neptune" print(planet_name[0:3],planet_name[3:])

# [ ] print 1st char and then every 3rd char of wise_words # use string slice with a step wise_words = 'Play it who opens' print(wise_words[::3])

# [ ] print planet_name in reverse print(planet_name[::-1])

# [ ] find the number of 0's in the first half (slice) of work_tip mid_pt=int(len(wise_words[:])/2) print(wise_words[mid_pt:].find("o"))

# [ ] print a substring of code_tip set start index = 13 and end index = 25 print(wise_words[5:11])

# [ ] Get user input for 1 fav_food # [ ] iterate through letters in fav_food # - print each letter on a new line fav_food=input("What is your favorite food?") for letter in fav_food: print(letter)

# [ ] iterate work_tip string concatenate each letter to variable: new_string # [ ] concatenate the letter or a "-" instead of a space " " # tip: concatenate string example: word = word + "a" work_tip = "Good code is commented code" new_string="" for letter in work_tip: if letter==" ": new_string+="-" else: new_string+=letter print(new_string)

# [ ] Print the first 4 letters of name on new line name = "Hiroto" print(name[:4])

# [ ] Print every other letter from 2nd to last letter of name name = "Hiroto" print(name[1::2])

# [ ] Create Mystery Name first_name=input("Enter your first name: ") new_name="" for letter in first_name[::-1]: if letter=="e": new_name+="?" elif letter=="t": new_name+="?" elif letter=="a": new_name+="?" else: new_name+=letter print(new_name)

# [ ] find and display the length of the string: topic topic = ".find() returns the length of a string" print(len(topic))

# [ ] use len() to find and display the mid_pt (middle) index (+/- 1) of the string: topic # note: index values are whole numbers topic = "len() can take a sequence, like a string, as an argument" mid_pt=int(len(topic)/2) print(mid_pt)

# [ ] print index where first instance of the word "code" starts using .find() work_tip = "Good code is commented code" print(work_tip.find("code"))

# [ ] search for "code" in code_tip using .find() # [ ] search substring with substring index start= 13,end = last char # [ ] save result in varible: code_index # [ ] display index of where "code" is found, or print "not found" if code_index == -1 work_tip = "Good code is commented code" code_index=work_tip[13:].find("code") search=work_tip.find("code") if code_index==-1: print("not found") else: print(code_index)

# [ ] find and report (print) number of w's, o's + use of word "code" work_tip = "Good code is commented code" print("The letter w is found",work_tip.find("w"), "times.") print(work_tip.find("o")) print(work_tip.find("code"))

# [ ] count times letter "i" appears in code_tip string # [ ] find and display the index of all the letter i's in code_tip # Remember: if .find("i") has No Match, -1 is returned code_tip = "code a conditional decision like you would say it" index=0 for letter in code_tip: if letter=="i": print(index) index+=1 else: index+=1

# [] create words after "G" # sample quote "Wheresoever you go, go with all your heart" ~ Confucius (551 BC - 479 BC) quote = input("Enter a quote: ") word = "" newQuote="" for letter in quote: if letter.isalpha(): word += letter elif word.lower() > "g": newQuote += word +" " word = "" elif word > "G": newQuote += word +" " word = "" else: word = "" print(newQuote)