Ashley gaskins

src/00_hello.py

@@ -1 +1,2 @@
-# Print "Hello, world!" to your terminal
+# Print "Hello, world!" to your terminal
+print("Hello, world!")

src/01_bignum.py

@@ -1,4 +1,5 @@
 # Print out 2 to the 65536 power
 # (try doing the same thing in the JS console and see what it outputs)
 
-# YOUR CODE HERE
+# YOUR CODE HERE
+print(2**65536)

src/02_datatypes.py

@@ -14,8 +14,9 @@
 # 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
+# YOUR CODE HERE
+print(str(x) + y)

src/03_modules.py

@@ -9,23 +9,28 @@
 # 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
+import platform
+print(platform.system())
 
 # 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
+pid = os.getpid()
+print(pid)
 
 # Print the current working directory (cwd):
-# YOUR CODE HERE
+path = os.getcwd()
+
+print(path)
 
 # Print out your machine's login name
-# YOUR CODE HERE
+import getpass
+print(getpass.getuser())

src/04_printing.py

@@ -13,5 +13,7 @@
 # x is 10, y is 2.25, z is "I like turtles!"
 
 # Use the 'format' string method to print the same thing
+print("x is {}, y is {}, z is {}". format(x, y, 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 {y}, z is {z}")

src/05_lists.py

@@ -7,23 +7,24 @@
 # For the following, DO NOT USE AN ASSIGNMENT (=).
 
 # 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 = x + y
 print(x)
 
 # Change x so that it is [1, 2, 3, 4, 9, 10]
-# YOUR CODE HERE
+x.pop(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
+for i in range(len(x)):
+    print(x[i]*1000)

src/06_tuples.py

@@ -34,11 +34,13 @@ def dist(a, b):
 
 # Write a function `print_tuple` that prints all the values in a tuple
 
-# YOUR CODE HERE
+def print_tuple(tup):
+    for i in tup:
+        print(i)
 
 t = (1, 2, 5, 7, 99)
 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?
+u = (1,)  # What needs to be added to make this work?
 print_tuple(u)

src/07_slices.py

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

src/08_comprehensions.py

@@ -10,14 +10,16 @@
 
 # Write a list comprehension to produce the array [1, 2, 3, 4, 5]
 
-y = []
+y = [1, 2, 3, 4, 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 = []
+#It worked :) Woot!
+
+y = [x**3 for x in range(10)]
 
 print(y)
 
@@ -26,7 +28,7 @@
 
 a = ["foo", "bar", "baz"]
 
-y = []
+y = [str.upper() for str in a]
 
 print(y)
 
@@ -36,6 +38,6 @@
 x = input("Enter comma-separated numbers: ").split(',')
 
 # What do you need between the square brackets to make it work?
-y = []
+y = [int(n) for n in x if int(n) % 2 == 0]
 
 print(y)

src/09_dictionaries.py

@@ -34,14 +34,21 @@
 ]
 
 # Add a new waypoint to the list
-# YOUR CODE HERE
+# Append! Append!
+
+waypoints.append({"lat": 44, "lon": -133, "name": "my place"})
 
 # Modify the dictionary with name "a place" such that its longitude
 # value is -130 and change its name to "not a real place"
 # Note: It's okay to access the dictionary using bracket notation on the
 # waypoints list.
 
-# YOUR CODE HERE
+waypoints[0]["lon"] = -130
+waypoints[0]["name"] = "not a real place"
 
 # Write a loop that prints out all the field values for all the waypoints
-# YOUR CODE HERE
+for dict in waypoints:
+    for key, value in zip(dict.keys(), dict.values()):
+        print(f'{key}: {value}')
+
+print(waypoints)

src/10_functions.py

@@ -1,12 +1,18 @@
 # Write a function is_even that will return true if the passed-in number is even.
+# n % 2 ==0 checks for an even number. If it is divided by 2 and doesn't have a remainer, print True! 
 
-# YOUR CODE HERE
+def is_even(n):
+    if n % 2 == 0:
+        return True
 
 # Read a number from the keyboard
 num = input("Enter a number: ")
 num = int(num)
 
 # Print out "Even!" if the number is even. Otherwise print "Odd"
 
-# YOUR CODE HERE
+if is_even(num) == True:
+    print("Even!")
+else:
+    print("Odd")
 

src/11_args.py

@@ -4,15 +4,20 @@
 # Write a function f1 that takes two integer positional arguments and returns
 # the sum. This is what you'd consider to be a regular, normal function.
 
-# YOUR CODE HERE
+def f1(x, n):
+    return x + n
 
 print(f1(1, 2))
 
 # Write a function f2 that takes any number of integer arguments and returns the
 # sum.
 # Note: Google for "python arbitrary arguments" and look for "*args"
 
-# YOUR CODE HERE
+def f2(*argv):
+    x = 0
+    for n in argv:
+        x += n
+    return x
 
 print(f2(1))                    # Should print 1
 print(f2(1, 3))                 # Should print 4
@@ -22,28 +27,37 @@
 a = [7, 6, 5, 4]
 
 # How do you have to modify the f2 call below to make this work?
-print(f2(a))    # Should print 22
+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.
 # Note: Google "python default arguments" for a hint.
 
-# YOUR CODE HERE
+def f3(*argv):
+    x = 0
+    for i in argv:
+        x += i
+    if x == argv[0]:
+        return argv[0] + 1
+    else:
+        return x
 
 print(f3(1, 2))  # Should print 3
 print(f3(8))     # Should print 9
 
 
 # Write a function f4 that accepts an arbitrary number of keyword arguments and
 # prints out the keys and values like so:
-#
+##
 # key: foo, value: bar
 # key: baz, value: 12
 #
 # Note: Google "python keyword arguments".
 
-# YOUR CODE HERE
+def f4(**kwargs):
+    for key, value in kwargs.items():
+        print(f'key: {key}, value: {value}')
 
 # Should print
 # key: a, value: 12
@@ -62,4 +76,4 @@
 }
 
 # How do you have to modify the f4 call below to make this work?
-f4(d)
+f4(**d)

src/12_scopes.py

@@ -5,6 +5,7 @@
 x = 12
 
 def change_x():
+    global x
     x = 99
 
 change_x()
@@ -14,11 +15,13 @@ def change_x():
 
 
 # This nested function has a similar problem.
+#
 
 def outer():
     y = 120
 
     def inner():
+        nonlocal y
         y = 999
 
     inner()

src/13_file_io.py

@@ -9,11 +9,27 @@
 # Print all the contents of the file, then close the file
 # Note: pay close attention to your current directory when trying to open "foo.txt"
 
-# YOUR CODE HERE
+with open('foo.txt') as f:
+    foo = f.read()
+
+print(foo)
 
 # 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
+with open('bar.txt', 'w+') as f:
+    f.write(
+          '''
+          This is a line
+          So is this
+          And away we go!
+          '''
+      )
+    f.close()
+
+with open('bar.txt') as f:
+    bar = f.read()
+
+print(bar)

src/14_cal.py

@@ -29,4 +29,19 @@
 
 import sys
 import calendar
-from datetime import datetime
+from datetime import datetime
+
+args = [sys.argv[i] for i in list(range(len(sys.argv)))][1:]
+
+today = datetime.today()
+year = today.year
+month = today.month
+
+if len(args) == 0:
+    print(calendar.month(year, month))
+elif (len(args) == 1) and (len(args[0]) <= 2):
+    print(calendar.month(year, int(args[0])))
+elif len(args[1]) != 4:
+    print("Error: Arguments must be in form of 'python 14_cal.py (<mm>) (<yyyy>)'")
+else:
+    print(calendar.month(int(args[1]), int(args[0])))