Kyle teeter

src/00_hello.py

@@ -1 +1,4 @@
-# Print "Hello, world!" to your terminal
+# Print "Hello, world!" to your terminal
+
+message = "Hello, world!"
+print(message)

src/01_bignum.py

@@ -1,4 +1,4 @@
 # Print out 2 to the 65536 power
 # (try doing the same thing in the JS console and see what it outputs)
 
-# YOUR CODE HERE
+print(2**65536)

src/02_datatypes.py

@@ -13,9 +13,9 @@
 
 # Write a print statement that combines x + y into the integer value 12
 
-# YOUR CODE HERE
+print(x+ int(y))
 
 
 # Write a print statement that combines x + y into the string value 57
 
-# YOUR CODE HERE
+print(str(x) + y)

src/03_modules.py

@@ -9,23 +9,22 @@
 # See docs for the sys module: https://docs.python.org/3.7/library/sys.html
 
 # Print out the command line arguments in sys.argv, one per line:
-# YOUR CODE HERE
+print(sys.argv[0])
 
 # Print out the OS platform you're using:
-# YOUR CODE HERE
+print(sys.platform)
 
 # Print out the version of Python you're using:
-# YOUR CODE HERE
+print(sys.version)
 
 
 import os
 # See the docs for the OS module: https://docs.python.org/3.7/library/os.html
 
 # Print the current process ID
-# YOUR CODE HERE
+print(os.getpid())
 
 # Print the current working directory (cwd):
-# YOUR CODE HERE
-
+print(os.getcwd())
 # Print out your machine's login name
-# YOUR CODE HERE
+print(os.getlogin())

src/04_printing.py

@@ -11,7 +11,13 @@
 # Using the printf operator (%), print the following feeding in the values of x,
 # y, and z:
 # x is 10, y is 2.25, z is "I like turtles!"
+yRound = round(y, 2)
+print("x is %s, y is %s, z is %s" % (x, yRound, z))
 
 # Use the 'format' string method to print the same thing
+
+print ("x is {}, y is {}, z is {}".format(x, yRound, z)) 
 
-# Finally, print the same thing using an f-string
+# Finally, print the same thing using an f-string
+
+print (f"x is {x}, y is {yRound}, z is {z}") 

src/05_lists.py

@@ -8,22 +8,28 @@
 
 # Change x so that it is [1, 2, 3, 4]
 # YOUR CODE HERE 
+x.append(4)
 print(x)
 
 # Using y, change x so that it is [1, 2, 3, 4, 8, 9, 10]
 # YOUR CODE HERE 
+x.extend(y)
 print(x)
 
 # Change x so that it is [1, 2, 3, 4, 9, 10]
 # YOUR CODE HERE 
+del x[4]
 print(x)
 
 # Change x so that it is [1, 2, 3, 4, 9, 99, 10]
 # YOUR CODE HERE 
+x.insert(5, 99)
 print(x)
 
 # Print the length of list x
 # YOUR CODE HERE 
-
+print(len(x))
 # Print all the values in x multiplied by 1000
-# YOUR CODE HERE
+# YOUR CODE HERE
+for val in x :
+    print(val*1000)

src/06_tuples.py

@@ -37,8 +37,13 @@ def dist(a, b):
 # YOUR CODE HERE
 
 t = (1, 2, 5, 7, 99)
+def print_tuple(t) :
+    for item in t:
+        print(item)
 print_tuple(t)  # Prints 1 2 5 7 99, one per line
 
 # Declare a tuple of 1 element then print it
-u = (1)  # What needs to be added to make this work?
-print_tuple(u)
+u = (1) 
+def prints_tuple(u):
+    print(u) # What needs to be added to make this work?
+prints_tuple(u)

src/07_slices.py

@@ -12,26 +12,33 @@
 a = [2, 4, 1, 7, 9, 6]
 
 # Output the second element: 4:
-print()
+y= a[1:2]
+print(y)
 
 # Output the second-to-last element: 9
-print()
+x= a[4:5]
+print(x)
 
 # Output the last three elements in the array: [7, 9, 6]
-print()
+z = a[3:]
+print(z)
 
 # Output the two middle elements in the array: [1, 7]
-print()
+w = a[2:4]
+print(w)
 
 # Output every element except the first one: [4, 1, 7, 9, 6]
-print()
+r = a[1:]
+print(r)
 
 # Output every element except the last one: [2, 4, 1, 7, 9]
-print()
+t = a[:5]
+print(t)
 
 # For string s...
 
 s = "Hello, world!"
 
 # Output just the 8th-12th characters: "world"
-print()
+v = s[7:12]
+print(v)

src/08_comprehensions.py

@@ -3,21 +3,21 @@
 They essentially act as a terse and concise way of initializing
 and populating a list given some expression that specifies how
 the list should be populated. 
-
 Take a look at https://docs.python.org/3/tutorial/datastructures.html#list-comprehensions
 for more info regarding list comprehensions.
 """
 
 # Write a list comprehension to produce the array [1, 2, 3, 4, 5]
 
 y = []
+y = [x+1 for x in range(5)]
 
 print (y)
 
 # Write a list comprehension to produce the cubes of the numbers 0-9:
 # [0, 1, 8, 27, 64, 125, 216, 343, 512, 729]
 
-y = []
+y = [x**3 for x in range(10)]
 
 print(y)
 
@@ -26,7 +26,7 @@
 
 a = ["foo", "bar", "baz"]
 
-y = []
+y = [str(a[x]).upper() for x in range(len(a))]
 
 print(y)
 
@@ -36,6 +36,10 @@
 x = input("Enter comma-separated numbers: ").split(',')
 
 # What do you need between the square brackets to make it work?
-y = []
+#long way
+#for z in x:
+#   if int(z) % 2 == 0:
+#      y.append(z)
+y = [z for z in x if int(z) % 2 == 0]
 
 print(y)

src/09_dictionaries.py

@@ -4,10 +4,8 @@
 you'll find in other languages (though you can also initialize and
 populate dictionaries using comprehensions just like you can with 
 lists!). 
-
 The docs can be found here:
 https://docs.python.org/3/tutorial/datastructures.html#dictionaries
-
 For this exercise, you have a list of dictionaries. Each dictionary
 has the following keys:
  - lat: a signed integer representing a latitude value
@@ -35,10 +33,15 @@
 
 # Add a new waypoint to the list
 # YOUR CODE HERE
+waypoints.append({"lat": 52, "lon": -185, "name" : "added waypoint"})
 
 # Modify the dictionary with name "a place" such that its longitude
 # value is -130 and change its name to "not a real place"
 # YOUR CODE HERE
+waypoints[0].update({"lon": -130, "name": "not a real place"})
 
 # Write a loop that prints out all the field values for all the waypoints
-# YOUR CODE HERE
+# YOUR CODE HERE
+for val in waypoints:
+    for key in val:
+        print(key + ":" + str(val[key]))

src/10_functions.py

@@ -1,6 +1,11 @@
 # Write a function is_even that will return true if the passed-in number is even.
 
 # YOUR CODE HERE
+def is_even(num):
+   if num % 2 == 0:
+      return True
+   else:
+      return False
 
 # Read a number from the keyboard
 num = input("Enter a number: ")
@@ -9,4 +14,7 @@
 # Print out "Even!" if the number is even. Otherwise print "Odd"
 
 # YOUR CODE HERE
-
+if is_even(num):
+   print("Even!")
+else:
+   print("Odd")

src/11_args.py

@@ -5,14 +5,24 @@
 # the sum. This is what you'd consider to be a regular, normal function.
 
 # YOUR CODE HERE
+def f1(x, y):
+   return x + y
 
 print(f1(1, 2))
 
 # Write a function f2 that takes any number of integer arguments and prints the
 # sum. Google for "python arbitrary arguments" and look for "*args"
 
 # YOUR CODE HERE
-
+def f2(*argv):
+   temp = 0
+   if isinstance(argv[0], list):
+      return sum(*argv)
+   else:
+      for arg in argv:
+         temp += int(arg)
+   return temp
+
 print(f2(1))                    # Should print 1
 print(f2(1, 3))                 # Should print 4
 print(f2(1, 4, -12))            # Should print -7
@@ -21,13 +31,16 @@
 a = [7, 6, 5, 4]
 
 # What thing do you have to add to make this work?
+# check to see if the argument is a list item or add * in front of a
 print(f2(a))    # Should print 22
 
 # Write a function f3 that accepts either one or two arguments. If one argument,
 # it returns that value plus 1. If two arguments, it returns the sum of the
 # arguments. Google "python default arguments" for a hint.
 
 # YOUR CODE HERE
+def f3(x, y = 1):
+   return x + y
 
 print(f3(1, 2))  # Should print 3
 print(f3(8))     # Should print 9
@@ -42,6 +55,10 @@
 # Google "python keyword arguments".
 
 # YOUR CODE HERE
+def f4(**kwargs):
+   for key in kwargs:
+      print(f"key: {key}, value: {kwargs[key]}")
+
 
 # Should print
 # key: a, value: 12
@@ -60,4 +77,5 @@
 }
 
 # What thing do you have to add to make this work?
-f4(d)
+# add ** in front of d
+f4(**d)

src/12_scopes.py

@@ -6,10 +6,12 @@
 
 def changeX():
     x = 99
+    print(x)
 
 changeX()
 
 # This prints 12. What do we have to modify in changeX() to get it to print 99?
+#add print statement for x in changeX() scope
 print(x)
 
 
@@ -20,11 +22,12 @@ def outer():
 
     def inner():
         y = 999
-
+        print(y)
     inner()
 
     # This prints 120. What do we have to change in inner() to get it to print
     # 999? Google "python nested function scope".
+    # add print statement inside inner scope
     print(y)
 
 outer()

src/13_file_io.py

@@ -1,18 +1,26 @@
 """
 Python makes performing file I/O simple. Take a look
 at how to read and write to files here: 
-
 https://docs.python.org/3/tutorial/inputoutput.html#reading-and-writing-files
 """
 
 # Open up the "foo.txt" file (which already exists) for reading
 # Print all the contents of the file, then close the file
 
 # YOUR CODE HERE
+with open("foo.txt") as foo:
+   print(foo.read())
+foo.closed
 
 # Open up a file called "bar.txt" (which doesn't exist yet) for
 # writing. Write three lines of arbitrary content to that file,
 # then close the file. Open up "bar.txt" and inspect it to make 
 # sure that it contains what you expect it to contain
 
-# YOUR CODE HERE
+# YOUR CODE HERE
+bar = open("bar.txt", "w+")
+bar.write("I opened a new file\nThis file contains some text\nThree lines to be exact")
+bar.closed
+with open("bar.txt") as bar:
+   print(bar.read())
+bar.closed