Learning Circle : python #5 - Initial

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youngjin.han 2020-05-27 22:53:32 +09:00
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* 2020-05-27
*** Python #5:
**** DONE Lecture content
CLOSED: [2020-05-27 수 22:30]
- Same structure as "Python #2"
- Exercises 27-31
**** Lecture material
- Available on https://cloud.ungleich.ch/s/435FyfrQyEq6oF3
* 2020-05-25
*** Python #4:
**** DONE Lecture content
CLOSED: [2020-05-27 수 22:41]
- Same structure as "Python #2"
- Exercises 23-26
**** Lecture material
- Available on https://cloud.ungleich.ch/s/435FyfrQyEq6oF3
* 2020-05-22
**** DONE Lecture content
CLOSED: [2020-05-23 토 00:21]

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import sys
script, input_encoding, error = sys.argv
def main(language_file, encoding, errors):
line = language_file.readline()
if line:
print_line(line, encoding, errors)
return main(language_file, encoding, errors)
def print_line(line, encoding, errors):
next_lang = line.strip()
raw_bytes = next_lang.encode(encoding, errors=errors)
cooked_string = raw_bytes.decode(encoding, errors=errors)
print(raw_bytes, "<===>", cooked_string)
languages = open("languages.txt", encoding="utf-8")
main(languages, input_encoding, error)

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print("Let's practice everything.") # print a script
print('You\'d need to know \'bout escapes with \\ that do:') # print a script
print('\n newlines and \t tabs.') # print a script
# define a string array
poem = """
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""
print("--------------") # print a script
print(poem) # print a script
print("--------------") # print a script
five = 10 - 2 + 3 - 6 # calculate a number
print(f"This should be five: {five}") # print a script
def secret_formula(started): # define a function
jelly_beans = started * 500 # calculate a number
jars = jelly_beans / 1000 # calculate a number
crates = jars / 100 # calculate a number
return jelly_beans, jars, crates # return values
start_point = 10000 # define a value
beans, jars, crates = secret_formula(start_point) # run a function
# remember that this is another way to format a string
print("With a starting point of: {}".format(start_point)) # print a script
# it's just like with an f"" string
print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.") # print a script
start_point = start_point / 10 # calculate a number
print("We can also do that this way:") # print a script
formula = secret_formula(start_point) # run a function
# this is an easy way to apply a list to a format string
print("We'd have {} beans, {} jars, and {} crates.".format(*formula)) # print a script

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def break_words(stuff):
"""This function will break up words for us."""
words = stuff.split(' ')
return words
def sort_words(words):
"""Sorts the words."""
return sorted(words)
def print_first_word(words):
"""Prints the first word after popping it off."""
word = words.pop(0)
print(word)
def print_last_word(words):
"""Prints the last word after popping it off."""
word = words.pop(-1)
print(word)
def sort_sentence(sentence):
"""Takes in a full sentence and returns the sorted words."""
words = break_words(sentence)
return sort_words(words)
def print_first_and_last(sentence):
"""Prints the first and last words of the sentence."""
words = break_words(sentence)
print_first_word(words)
print_last_word(words)
def print_first_and_last_sorted(sentence):
"""Sorts the words then prints the first and last one."""
words = sort_sentence(sentence)
print_first_word(words)
print_last_word(words)

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import sys
print("How old are you?", end=' ')
age = input()
print("How tall are you?", end=' ')
height = input()
print("How much do you weigh?", end=' ')
weight = input()
print(f"So, you're {age} old, {height} tall and {weight} heavy.")
script, filename = sys.argv
txt = open(filename)
print("Here's your file {filename}:")
print(txt.read())
print("Type the filename again:")
file_again = input("> ")
txt_again = open(file_again)
print(txt_again.read())
print("Let's practice everything.")
print("""You\'d need to know \'bout escapes
with \\ that do \n newlines and \t tabs.""")
poem = """
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""
print("--------------")
print(poem)
print("--------------")
five = 10 - 2 + 3 - 6
print(f"This should be five: {five}")
def secret_formula(started):
jelly_beans = started * 500
jars = jelly_beans / 1000
crates = jars / 100
return jelly_beans, jars, crates
start_point = 10000
beans, jars, crates = secret_formula(start_point)
# remember that this is another way to format a string
print("With a starting point of: {}".format(start_point))
# it's just like with an f"" string
print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.")
start_point = start_point / 10
print("We can also do that this way:")
formula = secret_formula(start_point)
# this is an easy way to apply a list to a format string
print("We'd have {} beans, {} jars, and {} crates.".format(*formula))
people = 20
cats = 30
dogs = 15
if people < cats:
print ("Too many cats! The world is doomed!")
if people < cats:
print("Not many cats! The world is saved!")
if people < dogs:
print("The world is drooled on!")
if people > dogs:
print("The world is dry!")
dogs += 5
if people >= dogs:
print("People are greater than or equal to dogs.")
if people <= dogs:
print("People are less than or equal to dogs.")
if people == dogs:
print("People are dogs.")

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people = 20
cats = 30
dogs = 15
if people < cats:
print("Too many cats! The world is doomed!")
if people > cats:
print("Not many cats! The world is saved!")
if people < dogs:
print("The world is drooled on!")
if people > dogs:
print("The world is dry!")
if people != dogs:
print("People are not dogs.")
dogs += 5
if people >= dogs:
print("People are greater than or equal to dogs.")
if people <= dogs:
print("People are less than or equal to dogs.")
if people == dogs:
print("People are dogs.")

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people = 3 # define a value
cars = 4 # define a value
trucks = 1 #define a value
if cars > people: # test a criteria
print("We should take the cars.") # print a script
elif cars < people: # test a criteria
print("We should not take the cars.") # print a script
else: # test a criteria
print("We can't decide.") # print a script
if trucks > cars: # test a criteria
print("That's too many trucks.") # print a script
elif trucks < cars: # test a criteria
print("Maybe we could take the trucks.") # print a script
else: # test a criteria
print("We still can't decide.") # print a script
if people > trucks: # test a criteria
print("Alright, let's just take the trucks.") # print a script
else: # test a criteria
print("Fine, let's stay home then.") # print a script
if cars > people or trucks < cars: # test a criteria
print("There are a lot of cars") # print a script
else: # test a criteria
print("There are a few cars") # print a script

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from random import *
print("""Please, Press 'Enter' on your keyboard to roll a dice.""")
dumy = input("> ")
dice = randint(1, 6)
print("""Guess the dice number. and then,
Please, Input it.""")
your_number = input("> ")
if int(your_number) > 6:
print("WRONG NUMBER!!!!")
else:
if int(your_number) > dice:
print(f"Your number is bigger than dice is {dice}")
elif int(your_number) == dice:
print(f"Your number is equal to dice is {dice}")
elif int(your_number) < dice:
print(f"Your number is less than dice is {dice}")

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print("""You enter a dark room with two doors.
Do you go through door #1 or door #2?""")
door = input("> ")
if door == "1":
print("There's a giant bear here eating a cheese cake.")
print("What do you do?")
print("1. Take the cake.")
print("2. Scream at the bear.")
print("3. Call 911.")
bear = input("> ")
if bear == "1":
print("The bear eats your face off. Good job!")
elif bear == "2":
print("The bear eats your legs off. Good job!")
elif bear == "3":
print("The bear eats your arms off. Good job!")
else:
print(f"Well, doing {bear} is probably better.")
print("Bear runs away.")
elif door == "2":
print("You stare into the endless abyss at Cthulhu's retina.")
print("1. Blueberries.")
print("2. Yellow jacket clothespins.")
print("3. Understanding revolvers yelling melodies.")
insanity = input("> ")
if insanity == "1" or insanity == "2":
print("Your body survives powered by a mind of jello.")
print("Good job!")
else:
print("The insanity rots your eyes into a pool of muck.")
print("Good job!")
else:
print("You stumble around and fall on a knife and die. Good job!")

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print("How old are you?", end=' ')
age = input()
print("How tall are you?", end=' ')
print("How much do you weigh?", end=' '
weight = input()
print(f"So, you're {age} old, {height} tall and {weight} heavy.")
script, filename = argv
txt = open(filenme)
print("Here's your file {filename}:")
print(tx.read())
print("Type the filename again:")
file_again = input("> ")
txt_again = open(file_again)
print(txt_again_read())
print('Let's practice everything.')
print('You\'d need to know \'bout escapes
with \\ that do \n newlines and \t tabs.')
poem = """
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""
print("--------------)
print(poem)
print(--------------")
five = 10 - 2 + 3 -
print(f"This should be five: {five}"
def secret_formula(started)
jelly_beans = started * 500
jars = jelly_beans / 1000
crates = jars 100
return jelly_beans, jars, crates
start_point = 10000
beans, jars = secret_formula(start_point)
# remember that this is another way to format a string
print("With a starting point of: {}".format(start_point))
# it's just like with an f"" string
print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.")
start_point = start_point / 10
print("We can also do that this way:")
formula = secret_formula(startpoint)
# this is an easy way to apply a list to a format string
print("We'd have {} beans, {} jars, and {} crates.".format(*formula))
people = 20
cates = 30
dogs = 15
if people < cats:
print "Too many cats! The world is doomed!"
if people < cats:
print("Not many cats! The world is saved!")
if people < dogs:
print("The world is drooled on!")
if people > dogs
print("The world is dry!")
dogs += 5
if people >= dogs:
print("People are greater than or equal to dogs.")
if people <= dogs
print("People are less than or equal to dogs.)
if people = dogs:
print("People are dogs.")

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* 2020-05-27
** note
- ex27.py
- none
- ex28.py
- <= (greater than or equal to), =< (less than or equal t0)
- ex29.py
- The 'if' means to test criteria.
- The 'if' processes the script is intended.
- If the script is not indented, an error should be occured.
- ex30.py
- none
- ex31.py
- none
* 2020-05-25
** note
- ex23.py
- none
- ex24.py
- none
- ex25.py
- none
- ex26.py
- none
* 2020-05-22
** note
- ex15.py