Stephen Plainte

src/00_hello.py

@@ -1 +1,3 @@
-# Print "Hello, world!" to your terminal
+# Print "Hello, world!" to your terminal
+
+print("Hello, world!")

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 +9,18 @@
 # 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)
 # 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

@@ -12,6 +12,12 @@
 # y, and z:
 # x is 10, y is 2.25, z is "I like turtles!"
 
+print("%(x)s is 10, %(y)s is 2.25, '%(z)s' is 'I like turtles!'" \
+    %{'x': x, 'y': y, 'z': z})
+
 # Use the 'format' string method to print the same thing
+print("{} is 10, {} is 2.25, '{}' is 'I like turtles!'".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 10, {y} is 2.25, '{z}' is 'I like turtles!'")

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.extend(y)
 print(x)
 
 # Change x so that it is [1, 2, 3, 4, 9, 10]
-# YOUR CODE HERE
+x.remove(8)
 print(x)
 
 # Change x so that it is [1, 2, 3, 4, 9, 99, 10]
-# YOUR CODE HERE
+x.insert(-1, 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 x:
+    print(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 tu in tup:
+        print(tu)
 
 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[:-1])
 
 # For string s...
 
 s = "Hello, world!"
 
 # Output just the 8th-12th characters: "world"
-print()
+print(s[7:12])

src/08_comprehensions.py

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

src/09_dictionaries.py

@@ -34,14 +34,18 @@
 ]
 
 # Add a new waypoint to the list
-# YOUR CODE HERE
+waypoints.insert(0, {"lat": 94, "lon": -85, "name": "a galaxy far, far away"})
 
 # 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 waypoint in waypoints:
+    for _, value in waypoint.items():
+        print(value)

src/10_functions.py

@@ -1,12 +1,17 @@
 # Write a function is_even that will return true if the passed-in number is even.
 
-# 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) is 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(num1, num2):
+    return  num1 + num2
 
 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(*args):
+    # if len(*args) == 1:
+    #     return (args)
+    # else:
+    return sum(args)
 
 print(f2(1))                    # Should print 1
 print(f2(1, 3))                 # Should print 4
@@ -22,14 +27,15 @@
 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(num1, num2=1):
+    return num1 + num2
 
 print(f3(1, 2))  # Should print 3
 print(f3(8))     # Should print 9
@@ -43,7 +49,9 @@
 #
 # 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 +70,4 @@
 }
 
 # 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()
@@ -19,6 +20,7 @@ def outer():
     y = 120
 
     def inner():
+        nonlocal y
         y = 999
 
     inner()

src/13_file_io.py

@@ -9,11 +9,22 @@
 # 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:
+    read_data = f.read()
+    print(read_data)
+
+# The with keyword closes the file automatically 
+# - this returns true if the file is actually closed
+f.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
+with open('bar.txt', 'w') as o:
+    o.write("This is line 1 of arbitrary text. \nIt can be difficult to write arbitrary text because of its arbitrary nature. \nIt's important not to be too cavalier with arbitrary text as to not accidentally inflate its importance.")
+
+with open('bar.txt') as p:
+    p_data = p.read()
+    print(p_data)

src/14_cal.py

@@ -29,4 +29,28 @@
 
 import sys
 import calendar
-from datetime import datetime
+from datetime import datetime
+
+month = datetime.today().month
+year = datetime.today().year
+
+print(sys.argv)
+
+if len(sys.argv) == 3:
+  month = int(sys.argv[1])
+  year = int(sys.argv[2])
+elif len(sys.argv) == 2:
+  month = int(sys.argv[1])
+elif len(sys.argv) > 3:
+  print("Too many arguments detected. To use this script you must pass a month and/or a year in integer format: 14_cal.py [4] [2020] \
+    \
+    Printing the calendar for the current month and year.")
+else:
+  print("No arguments detected. To use this script you must pass a month and/or a year in integer format: 14_cal.py [4] [2020] \
+    \
+    Printing the calendar for the current month and year.")
+
+print(f'month: {month} | year: {year}')
+
+cal = calendar.TextCalendar().formatmonth(year, month)
+print(cal)