diff --git a/ch_1_assign_kelly_su.py b/ch_1_assign_kelly_su.py
new file mode 100644
index 0000000..14b1bcd
--- /dev/null
+++ b/ch_1_assign_kelly_su.py
@@ -0,0 +1,60 @@
+teams = {
+	1: {
+		'location': 'Pontiac, Michigan, USA.', 
+		'rookie year': 1997,
+		'competed in 2019 season': True,
+		'2019 competitions': ['FIM District Center Line Event: Center Line, MI, USA.',
+										 	'FIM District Troy Event: Troy, MI, USA.'],
+		'2019 season awards':'Imagery Award'
+	},
+	16: {
+		'location': 'Mountain Home, Arkansas, USA.',
+		'rookie year': 1996,
+		'competed in 2019 season': True,
+		'2019 competitions': ['Midwest Regional: Chicago, IL, USA.',
+											'Rocket City Regional: Huntsville, AL, USA.',
+											'Darwin Division: Detroit, MI, USA.'],
+		'2019 season awards': 'Industrial Design Award, Regional Finalists, Excellence in Engineering Award'
+	},
+	253: {
+		'location': 'Millbrae, California, USA.',
+		'rookie year': 1999,
+		'competed in 2019 season': True,
+		'2019 competitions': ['San Fransisco Regional: San Fransisco, California, USA.',
+		  									  'Monterey Bay Regional: Seaside, CA, USA.',
+		  									  'Newton Division: Houston, TX, USA.'],		  
+		'2019 season awards': 'Team Spirit Award'
+	},
+	342: {'location': 'North Charleston, South Carolina, USA.',
+		  'rookieyear': 2000,
+		  'competed in 2019 season': True,
+		  '2019 competitions': ['Palmetto Regional: Myrtle Beach, SC USA.',
+		  									  'Rocket City Regional: Huntsville, AL, USA.'],
+		  '2019 season awards': False 
+	},
+	554: {
+		'location': 'Ft. Thomas, Kentucky, USA.',
+		'rookie year': 2001,
+		'competed in 2019 season': True,
+		'2019 competitions': ['Miami Valley Regional: Dayton, OH, USA.'],
+		'2019 season awards': False 
+	},
+}
+
+input_team = int(input("Out of teams 1, 16, 253, 342, and 554, which one would you like to view?\n==>"))
+input_requested_information = input(
+"""What would you like to know about this team?
+   Please enter one of the following: 
+   location  
+   rookie year  
+   competed in 2019 season   
+   2019 competitions
+   2019 season awards\n==>""")
+if isinstance(teams[input_team][input_requested_information], list):
+	print("\n".join(teams[input_team][input_requested_information]))
+else:
+	print(teams[input_team][input_requested_information])										
+
+
+
+
diff --git a/ch_1_lesson_kelly_su.py b/ch_1_lesson_kelly_su.py
new file mode 100644
index 0000000..91c2faf
--- /dev/null
+++ b/ch_1_lesson_kelly_su.py
@@ -0,0 +1 @@
+print ('Hello, world!')
\ No newline at end of file
diff --git a/ch_1_robot_assignment_kelly_su.py b/ch_1_robot_assignment_kelly_su.py
new file mode 100644
index 0000000..5ac6b79
--- /dev/null
+++ b/ch_1_robot_assignment_kelly_su.py
@@ -0,0 +1,7 @@
+teams = {
+	1678: {"weight": 150, "color": "purple", "wheels": 4}
+	2874: {"weight": 110, "color": "green", "wheels": 6}
+	259: {"weight": 248, "color": "blue", "wheels": 2}
+}
+requested_team_number = input("Team Number: ")
+requested_robot_attribute = input("Robot Attribute: ")
diff --git a/ch_2_assign_kelly_su.py b/ch_2_assign_kelly_su.py
new file mode 100644
index 0000000..71694d4
--- /dev/null
+++ b/ch_2_assign_kelly_su.py
@@ -0,0 +1,150 @@
+all_team_dict = {}
+team_dict = {}
+def add_team():
+	while True: 
+		input_num = input("Please enter a team number to add/update or 0 to exit.\n(If the team already exists, the information will be updated.)\n==>")
+		if input_num == '0':
+			print("Exiting...")
+			return 
+		elif (input_num.isdigit()):
+			team_dict["number"] = input_num
+			break
+		else: 
+			print("Invalid input.")
+
+	while True:
+		input_name = input("Please enter the team name.\n==>")
+		if (input_name.isdigit()):
+			print("Invalid input.")
+		else:
+			team_dict["name"] = input_name
+			break
+
+	input_prog_lang = input("Please enter the programming language.\n==>")
+	if isinstance(input_name, str):
+		team_dict["prog_lang"] = input_prog_lang
+	else:
+		print("Invalid input.")
+		return
+
+	while True:
+		input_w = input("Please enter the width.\n==>")
+		if (input_w.isdigit()):
+			team_dict["w"] = input_w
+			break
+		else:
+			print("Invalid input.")
+
+	while True:
+		input_l = input ("Please enter the length.\n==>")
+		if (input_l.isdigit()):
+			team_dict["l"] = input_l
+			break
+		else:
+			print("Invalid input.")
+
+	while True:
+		input_cam_vision = input("Does it have a camera vision system? Please answer 'true' or 'false'.\n==>")
+		if input_cam_vision == 'true':
+			team_dict["cam_vision"] = input_cam_vision
+			break
+		elif input_cam_vision == 'false':
+			team_dict["cam_vision"] = input_cam_vision
+			break
+		else: 
+			print("Invalid input.")
+
+	while True:
+		input_motors = input("Please enter the number of drivetrain motors.\n==>")
+		if (input_motors.isdigit()):
+			team_dict["motors"] = input_motors
+			break
+		else:
+			print("Invalid input.")
+			
+	all_team_dict.update( {input_num : team_dict} )
+	print("Successfully added team " + input_num + "!") 
+
+def search_team():
+	if len(team_dict) == 0:
+		print("No teams found.")
+		return
+	input_searchteam = input("Please enter a team number to check if it exists or 0 to exit.\n==>")
+	if input_searchteam == '0':
+		print("Exiting...")
+		return
+	elif input_searchteam in all_team_dict.keys():
+		print("Yes, team " + input_searchteam + " does exist.")
+	elif input_searchteam == team_dict["name"]:
+		print("Yes, team " + input_searchteam + " does exist.")
+	else:
+		print("Team " + input_searchteam + " does not exist!")
+
+def view_team():
+	input_viewteam = input("Please enter a team number to view or 0 to exit.\n==>")
+	if input_viewteam == '0': 
+		print("Exiting...")
+		return 
+
+	elif input_viewteam in all_team_dict.keys():
+		team_dict = all_team_dict.get(input_viewteam)
+		print("     Number = " + team_dict ["number"] + '\n' +
+			  "     Name = " + team_dict ["name"] + '\n' +
+			  "     Programming Language = " + team_dict ["prog_lang"] + '\n' + 
+			  "     Width = " + team_dict ["w"] + '\n' +
+			  "     Length = " + team_dict ["l"] + '\n' + 
+			  "     Camera Vision System = " + team_dict ["cam_vision"] + '\n' + 
+			  "     Number of drivetrain motors = " + team_dict ["motors"] + '\n' 
+		)
+
+	else:
+		print("Team " + input_viewteam + " not found!")
+	
+def remove_team():
+	input_removeteam = input("Please enter a team number to delete or 0 to exit. \n==>")
+	if input_removeteam == '0': 
+		print("Exiting...")
+		return
+	elif input_removeteam in all_team_dict.keys():
+		all_team_dict.pop(input_removeteam) 
+		print("Team " + input_removeteam + " removed!")
+	else:
+		print("Team " + input_removeteam + " not found!")
+
+
+def list_teams():
+	big_list = all_team_dict.values()
+	for team_dict in big_list:
+			print("     Number = " + team_dict ["number"] + '\n' +
+			  	  "     Name = " + team_dict ["name"] + '\n' +
+			  	  "     Programming Language = " + team_dict ["prog_lang"] + '\n' + 
+			 	  "     Width = " + team_dict ["w"] + '\n' +
+			 	  "     Length = " + team_dict ["l"] + '\n' + 
+			 	  "     Camera Vision System = " + team_dict ["cam_vision"] + '\n' + 
+			 	  "     Number of drivetrain motors = " + team_dict ["motors"] + '\n' +
+			 	  "------------------------------------------------"
+			  	 )
+			return 
+	else: 
+		print("No teams found!")
+		return 
+
+while True:
+	print("MAIN MENU:")
+	selection = input("Press \n     1 to add/update a team,\n     2 to search for a team,\n     3 to view a team's information,\n     4 to remove a team,\n     5 to list all teams.\n==>")
+	if selection == '1':
+		add_team()
+	elif selection == '2':
+		search_team()
+	elif selection == '3': 
+		view_team()
+	elif selection == '4':
+		remove_team()
+	elif selection == '5':
+		list_teams()
+	else:
+		print("I'm sorry, I did not understand that.")
+
+
+
+
diff --git a/ch_3_assign_kelly_su.py b/ch_3_assign_kelly_su.py
new file mode 100644
index 0000000..705272f
--- /dev/null
+++ b/ch_3_assign_kelly_su.py
@@ -0,0 +1,124 @@
+all_team_dict = {}
+team_dict = {}
+def add_team():
+	while True: 
+		input_num = input("Please enter a team number to add/update or 0 to exit.\n(If the team already exists, the information will be updated.)\n==>")
+		if input_num == '0':
+			print("Exiting...")
+			return 
+		elif (input_num.isdigit()):
+			team_dict["number"] = input_num
+			break
+		else: 
+			print("Invalid input.")
+
+	while True:
+		input_name = input("Please enter the team name.\n==>")
+		if (input_name.isdigit()):
+			print("Invalid input.")
+		else:
+			team_dict["name"] = input_name
+			break
+
+	while True:
+		input_location = input("Please enter the location of the team.\n==>")
+		if (input_location.isdigit()):
+			print("Invalid input.")
+		else:
+			team_dict["location"] = input_location
+			break
+
+	while True:
+		input_rookie_year = input("Please enter the rookie year of the team.\n==>")
+		if (input_rookie_year.isdigit()):
+			team_dict["rookie year"] = input_rookie_year
+			break
+		else:
+			print("Invalid input.")
+
+	while True:
+		input_2019_season = input("Did this team compete in the 2019 season? Please answer 'true' or 'false'.\n==>")
+		if input_2019_season == 'true':
+			input_2019_season = input("Which 2019 competitions did this team compete in? \n==>")
+			team_dict["2019 competitions"] = input_2019_season
+			break
+		elif input_2019_season == 'false':
+			team_dict["2019 competitions"] = input_2019_season
+			break
+		else: 
+			print("Invalid input.")
+
+	while True: 
+		input_2019_awards = input("Did this team win any awards in the 2019 season? Please answer 'true or 'false' \n==>")
+		if input_2019_awards == 'true':
+			input_awards_won = input("Which awards did this team win? \n==>")
+			team_dict["2019 awards"] = input_awards_won
+			break
+		elif input_2019_awards == 'false':
+			team_dict["2019 awards"] = input_2019_awards
+			break
+		else: 
+			print("Invalid input.")
+	
+	all_team_dict.update( {input_num : team_dict} )
+	print("Successfully added team " + input_num + "!") 
+
+def view_team():
+	input_viewteam = input("Please enter a team number to view or 0 to exit.\n==>")
+	if input_viewteam == '0': 
+		print("Exiting...")
+		return 
+	elif input_viewteam in all_team_dict.keys():
+		team_dict = all_team_dict.get(input_viewteam)
+		print("     Number = " + team_dict["number"] + '\n' +
+			  "     Name = " + team_dict["name"] + '\n' +
+			  "     Location = " + team_dict["location"] + '\n' + 
+			  "     Rookie Year = " + team_dict["rookie year"] + '\n' + 
+			  "     2019 competitions = " + team_dict["2019 competitions"] + '\n' + "     2019 awards = " + team_dict["2019 awards"] + '\n'
+		)
+	else:
+		print("Team " + input_viewteam + " not found!")
+	
+def remove_team():
+	input_viewteam = input("Please enter a team number to delete or 0 to exit. \n==>")
+	if input_viewteam == '0': 
+		print("Exiting...")
+		return
+	elif input_viewteam in all_team_dict.keys():
+		all_team_dict.pop(input_viewteam) 
+		print("Team " + input_viewteam + " removed!")
+	else:
+		print("Team " + input_viewteam + " not found!")
+
+
+def list_teams():
+	big_list = all_team_dict.values()
+	for team_dict in big_list:
+			print("     Number = " + team_dict["number"] + '\n' + 
+				  "     Name = " + team_dict["name"] + '\n' + 
+				  "     Location = " + team_dict["location"] + '\n' + 
+				  "     Rookie Year = " + team_dict["rookie year"] + '\n' + 
+				  "     2019 competitions = " + team_dict["2019 competitions"] + '\n' + "     2019 awards = " + team_dict["2019 awards"] + '\n' +
+				  "--------------------------------------------------"
+			  	 )
+	else: 
+		print("No teams found!")
+		return 
+
+while True:
+	print("MAIN MENU:")
+	selection = input("Press \n     1 to add/update a team,\n     2 to view a team,\n     3 to remove a team,\n     4 to list all teams.\n==>")
+	if selection == '1':
+		add_team()
+	elif selection == '2': 
+		view_team()
+	elif selection == '3':
+		remove_team()
+	elif selection == '4':
+		list_teams()
+	else:
+		print("I'm sorry, I did not understand that.")
+
+
+
+
diff --git a/ch_4_assign_kelly_su.py b/ch_4_assign_kelly_su.py
new file mode 100644
index 0000000..27662c1
--- /dev/null
+++ b/ch_4_assign_kelly_su.py
@@ -0,0 +1,76 @@
+from math import sqrt;
+import math;
+class Point:
+	def __init__(self, x, y):
+		self.x = x
+		self.y = y
+	def distance_2D (self):
+		return float(sqrt(math.pow(int(self.x), 2) + math.pow(int(self.y),2)))
+
+while True:
+	x = input("Please enter your 2D x value.\n==>")
+	if (x.isdigit()):
+		break
+	else: 
+		print("Invalid input.")
+
+while True:
+	y = input("Please enter your 2D y value.\n==>")
+	if (y.isdigit()):
+		break
+	else:
+		print("Invalid input.")
+		
+
+point_one = Point(x, y)
+print("The distance is " + str(point_one.distance_2D()) + "\n")
+
+class Point_3D(Point):
+	def __init__(self, x, y, z):
+		super().__init__(x, y)
+		self.z = z
+	def distance_3D(self):
+		return float(sqrt(math.pow(int(self.x), 2) + math.pow(int(self.y), 2) + math.pow(int(self.z), 2)))
+	def distance_2D(self):
+		return super().distance_2D()
+
+while True:
+	x = input("Please enter your 3D x value.\n==>")
+	if (x.isdigit()):
+		break
+	else:
+		print("Invalid input.")
+
+while True:
+	y = input("Please enter your 3D y value.\n==>")
+	if (y.isdigit()):
+		break
+	else:
+		print("Invalid input.")
+
+while True:
+	z = input("Please enter your 3D z value.\n==>")
+	if (z.isdigit()):
+		break
+	else:
+		print("Invalid input.")
+
+point_two = Point_3D(x, y, z)
+print("The distance is " + str(point_two.distance_3D()) + "\n")
+
+if (point_one.distance_2D()) > (point_two.distance_3D()):
+	print("The 2D point is furthest from the origin.")
+elif (point_one.distance_2D()) < (point_two.distance_3D()):
+	print("The 3D point is furthest from the origin.")
+elif (point_one.distance_2D()) == (point_two.distance_3D()):
+	print("The 2D and 3D point have equally furthest from the origin.")
+
+if (point_one.distance_2D()) > (point_two.distance_2D()):
+	print("The 2D point has x and y coordinates furthest from the origin.")
+elif (point_one.distance_2D()) < (point_two.distance_2D()):
+	print("The 3D point has x and y coordinates furthest from the origin.")
+elif (point_one.distance_2D()) == (point_two.distance_2D()):
+	print("The 2D and 3D x and y coordinates have equal values.")
+
+
+