first commit

Author: rex-mcall

.gitignore

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+days = "Mon Tue Wed Thu Fri Sat Sun"
+months = "\nJan\nFeb\nMar\nApr\nMay\nJun\nJul\nAug"
+
+print ("Here are the days: ", days)
+print ("Here are the months: ", months)
+
+print ("""
+There's something going on here.
+We can type a lot of lines.
+In fact, we can type as many as we would like.
+Like a fourth.
+Or a fifth.
+Or even a sixth!
+""")

PrintingX3.py

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+#from (filename) import (a specific class)
+#use = (specific class).(function inside class)
+
+import scenes #data source
+from sys import exit
+	
+
+scenes.opening_scene.intro()
+
+scenes.CarSelection()
+
+scenes.Daytona()
+
+scenes.Annapolis()
+
+scenes.LosAngeles()	

SUPERCARS.py

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+tabby_cat = "\tI'm tabbed in"
+persian_cat = "I'm split\non a line"
+backslash_cat = "I'm \\ a \\ cat"
+fat_cat = """
+I'll do a list:
+\t* Cat Food
+\t* Fishies
+\t* Catnip\n\t* Grass
+"""
+
+print (tabby_cat)
+print (persian_cat)
+print (backslash_cat)
+print (fat_cat)

WhatWasThat.py

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+cars = 100
+space = 4.0
+drivers = 30
+passengers = 90
+cars_not_driven = cars - drivers
+cars_driven = drivers
+carpool_capacity = cars_driven * space
+average_passengers_per_car = passengers / cars_driven
+
+print ("there are", cars, "cars available")
+

__pycache__/SUPERCARS.cpython-36.pyc

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+print("is 7+2>3+4?", 7+2>3+4)

__pycache__/game_help.cpython-36.pyc

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+from sys import argv
+# read WYSS section for how to run this
+script, first, second, third = argv
+
+print("This script is called:", script)
+print("Your first variable is:", first)
+print("Your second variable is:", second)
+print("Your third variable is:", third)

__pycache__/input.cpython-36.pyc

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+from sys import argv
+
+script, user_name = argv
+prompt = '> '
+
+print(f"Hi {user_name}, I'm the {script} script.")
+print("I'd like to ask some questions.")
+print(f"Do you like me {user_name}?")
+likes = input(prompt)
+
+print(f"Where do you live, {user_name}?")
+lives = input(prompt)
+
+print("What kind of computer do you have?")
+computer = input(prompt)
+
+print(f"""
+Alright, so you said {likes} to liking me.
+You live in {lives}. Not sure where that is... estimated 00:23:00 till gps location lock.
+And you have a {computer}. Nice.
+""")

__pycache__/scenes.cpython-36.pyc

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+from sys import argv
+
+script, filename = argv
+
+txt = open(filename)
+
+print(f"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())

__pycache__/scenes.cpython-37.pyc

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+This file has some cool stiff in it.
+It has stuff like this.
+Ya see? Lots of cool stuff.
+Super cool.

cars.txt

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+from sys import argv
+
+script, filename = argv
+
+print(f"We're going to erase {filename}.")
+print("If you don't want that, hit CTRL-C.")
+print("If you do want that, hit enter/return.")
+input("?")
+
+print("Opening the file...")
+target = open(filename, 'w')
+
+print("Truncating the file. Goodbye!")
+target.truncate()
+
+print("Now I'm going to ask for three lines")
+
+line1 = input("line 1: ")
+line2 = input("line 2: ")
+line3 = input("line 3: ")
+
+print(f"I'll write those to {filename}.")
+
+target.write(f"""
+{line1}
+{line2}
+{line3}
+""")
+
+print("And finally, we close it.")
+target.close() 

ex1.py

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+from sys import argv
+from os.path import exists
+
+script, from_file, to_file = argv
+
+print(f"Copying from {from_file} to {to_file}.")
+
+in_file = open(from_file)
+indata = in_file.read()
+
+print(f"The input file is {len(indata)} bytes long.")
+
+print(f"Does the output file exist? {exists(to_file)}")
+print("Ready, hit RETURN/ENTER to continue, or CTRL-C to abort.")
+input()
+
+out_file = open(to_file, 'w')
+out_file.write(indata)
+
+print("Alright, task complete.")
+
+out_file.close()
+in_file.close()

ex13.py

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+def print_two(*args):
+	arg1, arg2 = args
+	print(f"arg1: {arg1}, arg2: {arg2}")
+	
+def print_two_again(arg1, arg2):
+	print(f"arg1: {arg1}, arg2: {arg2}")
+
+def print_one(arg1):
+    print(f"arg1: {arg1}")
+	
+def print_none():
+	print("I got nothin'.")
+	
+print_two("Rex", "McAllister")
+print_two_again("Rex", "McAllister")
+print_one("Whatever we want")
+print_none()

ex14.py

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+def cheese_and_crackers(cheese_count, boxes_of_crackers):
+	print(f"You have {cheese_count} cheeses.")
+	print(f"You have {boxes_of_crackers} boxes of crackers.")
+	print("Man, thats enough for a party!")
+	print("Get a blanket.\n")
+	
+print("We can give function numbers directly.")
+amount_of_cheese = 10
+amount_of_crackers = 50
+
+cheese_and_crackers(amount_of_cheese, amount_of_crackers)
+
+print("We can even do math inside too:")
+cheese_and_crackers(10 + 20, 5 + 6)
+
+print("And we can combine the two (variable & math)...")
+cheese_and_crackers(amount_of_cheese + 100, amount_of_crackers + 1000) 

ex15.py

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+print ("I will now count my chickens:")
+
+print ("hens", 25 + 30 / 6)
+print ("roosters", 100 - 25 * 3 % 4)
+
+print ("Now I will count the eggs:")
+
+print (3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6)
+
+print ("Is it true that 2 + 2 < 5 - 7?")
+
+print (3 + 2 < 5 - 7)
+
+print ("What is 3 + 2?", 3 + 2)
+print ("what is 5 - 7?", 5 - 7)
+
+print ("Oh, OK, that's why it's false.")
+
+print ("How about I try some more.")
+
+print (5 < 7)
+print (5 > 7)

ex15_sample.txt

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+from sys import argv
+
+script, input_file = argv
+
+def print_all(f):
+	print(f.read())
+	
+def rewind(f):
+	f.seek(0)
+	
+def print_a_line(line_count, f):
+	print(line_count, f.readline())
+	
+	
+current_file = open(input_file)
+
+print("First lets print the whole file:\n")
+
+print_all(current_file)
+
+print("Now let's rewind, kinda like a tape")
+
+rewind(current_file)
+
+print("Lets print three lines:")
+
+current_line = 1
+print_a_line(current_line, current_file)
+
+current_line = current_line + 1
+print_a_line(current_line, current_file)
+
+current_line = current_line + 1
+print_a_line(current_line, current_file)

ex16.py

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+def add(a, b):
+	print(f"ADDING {a} + {b}")
+	return a + b
+	
+def subtract(a, b):
+	print(f"SUBTRACTING {a} - {b}")
+	return a - b
+	
+def multiply(a, b):
+	print(f"MULTIPLYING {a} * {b}")
+	return a * b
+	
+def divide(a, b):
+	print(f"DIVIDING {a}, {b}")
+	return a / b
+	
+age = add(30, 5)
+height = subtract(78, 4)
+weight = multiply(90, 2)
+iq = divide(100, 2)
+
+print(f"Age: {age}, Height: {height}, Weight: {height}, IQ: {iq}")
+
+what = add(age, subtract(height, multiply(weight, divide(iq, 2))))
+
+print("That becomes: ", what, "Can you do it by hand?")

ex17.py

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+import sys
+script, 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, encoding, error) 

ex18.py

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+#This is an exercise of everything I've learned so far.
+
+print("Let's practice everything.")
+print('You\'d need to know \'bout escapes with \\ that do:')
+print('\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\twhere there is none.
+"""
+
+print("-" * 10)
+print(poem)
+print("-" * 10)
+
+
+
+five = 10 - 2 + 3 - 6
+print(f"This should be 5: {five}")
+
+def secret_formula(started):
+	jelly_beans = started * 500
+	jars = jelly_beans / 1000
+	crates = jars / 100
+	return jelly_beans, jars, crates
+	
+	
+start_point = 1000
+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 f""
+
+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))