test

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 .ipynb_checkpoints
 venv/
+sql-part-2/studio/SQL Class 1 Studio.sql

booleans-and-conditionals/exercises01.py

@@ -1,5 +1,10 @@
 # Assign the variables for exercise 1 here:
-
+engine_indicator_light="red blinking"
+space_suits_on=True
+shuttle_cabin_ready=True
+crew_status=space_suits_on and shuttle_cabin_ready
+computer_status_code=200
+shuttle_speed=15000
 
 
 # BEFORE running the code, predict what will be printed to the console by the following statements:

booleans-and-conditionals/exercises02.py

@@ -8,14 +8,28 @@
 # 3) Write conditional expressions to satisfy the following safety rules:
 
 # a) If crew_status is true, print "Crew Ready" else print "Crew Not Ready".
-
+if crew_status = True
+    print("Crew Ready")
+else:
+    print("Crew Not Ready")
 
 # b) If computer_status_code is 200, print "Please stand by. Computer is rebooting." Else if computer_status_code is 400, print "Success! Computer online." Else print "ALERT: Computer offline!"
-
+if computer_status_code == 200:
+   print("Please stand by. Computer is rebooting.")
+elif computer_status_code == 400:
+   print("Success! Computer online.")
+else:
+   print("ALERT: Computer offline!")
 
 # c) If shuttle_speed is > 17,500, print "ALERT: Escape velocity reached!" Else if shuttle_speed is < 8000, print "ALERT: Cannot maintain orbit!" Else print "Stable speed".
-
+if shuttle_speed > 17500:
+   print("ALERT: Escape velocity reached!")
+elif shuttle_speed < 8000:
+   print("ALERT: Cannot maintain orbit!")
+else:
+   print("Stable speed.")
 
 # 4) PREDICT: Do the code blocks shown in the Section D produce the same result?
 
 # print("Yes" or "No")
+print("No")

booleans-and-conditionals/exercises03.py

@@ -7,6 +7,7 @@
 
 # a) If fuel_level is above 20000 AND engine_temperature is at or below 2500, print "Full tank. Engines good."
 
+
 # b) If fuel_level is above 10000 AND engine_temperature is at or below 2500, print "Fuel level above 50%.  Engines good."
 
 # c) If fuel_level is above 5000 AND engine_temperature is at or below 2500, print "Fuel level above 25%. Engines good."
@@ -18,13 +19,31 @@
 # f) Otherwise, print "Fuel and engine status pending..." 
 
 # Code 5a - 5f here:
-
-
+if fuel_level < 1000 or engine_temperature > 3500 or engine_indicator_light == "red blinking":
+   print("ENGINE FAILURE IMMINENT!")
+elif fuel_level <= 5000 or engine_temperature > 2500:
+   print("Check fuel level. Engines running hot.")
+elif fuel_level > 20000 and engine_temperature <= 2500:
+   print("Full tank. Engines good.")
+elif fuel_level > 10000 and engine_temperature <= 2500:
+   print("Fuel level above 50%. Engines good.")
+elif fuel_level > 5000 and engine_temperature <= 2500:
+   print("Fuel level above 25%. Engines good.")
+else:
+   print("Fuel and engine status pending...")
 
 # 6) a) Create the variable command_override, and set it to be true or false. If command_override is false, then the shuttle should only launch if the fuel and engine check are OK. If command_override is true, then the shuttle will launch regardless of the fuel and engine status.
-
+command_override= False
 
 # 6) b) Code the following if/else check:
-
+if command_override:
+   print("Command override active: Launching shuttle regardless of system status.")
+elif fuel_level and engine_indicator_light:
+   print("All Systems go: Launching shuttle.")
+else:
+    print("Launch aborted:fuel or engine check failure")
 # If fuel_level is above 20000 AND engine_indicator_light is NOT red blinking OR command_override is true print "Cleared to launch!" Else print "Launch scrubbed!"
-
+if fuel_level > 20000 and engine_indicator_light != True or command_override ==True:
+    print("Cleared to launch")
+else:
+    print("Launch Scrubbed")

collections/studio/list-and-string-conversion.py

@@ -6,18 +6,36 @@
 strings = [proto_list1, proto_list2, proto_list3, proto_list4]
 
 # a) Use the 'in' method to check to see if the words in each string are separated by commas (,), semicolons (;) or just spaces.
-
+string: str
+for string in strings:
+    if "," in string:
+        print(f"{string} contains commas (,)")
+    elif ";" in string:
+        print(f"{string} contains semicolons")
+    elif " " in string:
+        print(f"{string} contains semicolon")
+    else:
+        print(f"error with {string}")
 
 # b) If the string uses commas to separate the words, split it into an array, reverse the entries, and then join the array into a new comma separated string.
 
 
 
 # c) If the string uses semicolons to separate the words, split it into an array, alphabetize the entries, and then join the array into a new comma separated string.
-
+for string in strings:
+    if ";" in string:
+        parts = string.split(";")
+        alphabatized = list(sorted(parts))
+        new_string = ";".join(alphabatized)
+        print(f"new string: {new_string}")
 
 
 # d) If the string uses spaces to separate the words, split it into an array, reverse alphabetize the entries, and then join the array into a new space separated string.
-
-
+for string in strings:
+    if " " in string:
+        parts = string.split(" ")
+        alphabatized = list(reversed(parts))
+        new_string = " ".join(alphabatized)
+        print(f"new string: {new_string}")
 
 # e) If the string uses ‘comma spaces’ to separate the list, modify your code to produce the same result as part “b”, making sure that the extra spaces are NOT part of the final string.

collections/studio/string-modification.py

@@ -2,11 +2,17 @@
 
 
 # a) Use string methods to remove the first three characters from the string and add them to the end.
-
+to_be_moved= my_string[0:3]
+my_string=my_string[3:] + to_be_moved
+print(my_string)
 
 
 # Use a template literal to print the original and modified string in a descriptive phrase.
-
+my_o_string='LaunchCode'
+to_be_moved=my_string[0:3]
+my_string=my_o_string[3:]+to_be_moved
+print(my_string)
+print(my_o_string)
 
 
 # b) Modify your code to accept user input. Query the user to enter the number of letters that will be relocated.

data-and-variables/exercises/exercises.py

@@ -1,7 +1,20 @@
 # 1. Declare and assign the variables here:
-
+shuttle_name = 'Determination'
+shuttle_speed_mph = 17500
+distance_to_mars_km = 225000000
+distance_to_moon_km = 38400
+MILES_PER_KM = 0.621
 # 2. Use print() to print the 'type' each variable. Print one item per line.
-
+print(type(shuttle_name))
+print(type(shuttle_speed_mph))
+print(type(distance_to_mars_km))
+print(type(distance_to_moon_km))
 # Code your solution to exercises 3 and 4 here:
-
+miles_to_mars = distance_to_mars_km * MILES_PER_KM
+hours_to_mars = miles_to_mars / shuttle_speed_mph
+days_to_mars = hours_to_mars / 24
 # Code your solution to exercise 5 here
+miles_to_moon = distance_to_moon_km * MILES_PER_KM
+hours_to_moon = miles_to_moon / shuttle_speed_mph
+days_to_moon = hours_to_moon / 24
+print(shuttle_name + " will take " + days_to_moon + " days to reach the Moon.")

functions/exercises/functions-exercises.py

@@ -1,40 +1,78 @@
 # Part 1 A -- Make a Line
+make_line(size):
+    line = ""
+    for i in range(size):
+        line += "#"
+    return line
 
+print(make_line(5))
 
 
 # Part 1 B -- Make a Square
 # create a function using your make_line function to code a square
+def make_rectangle(width, height):
+   rectangle = ""
+   for i in range(height):
+      rectangle += (make_line(width) + "\n")
+   return rectangle
 
+print(make_rectangle(5, 3))
 
 
 
 
 # Part 1 C -- Make a Rectangle
+def make_rectangle(width, height):
+   rectangle = ""
+   for i in range(height):
+      rectangle += (make_line(width) + "\n")
+   return rectangle
 
+print(make_rectangle(5, 3))
 
 
 
 
 # Part 2 A -- Make a Stairs
+def make_downward_stairs(height):
+   stairs = ""
+   for i in range(height):
+      stairs += (make_line(i+1) + "\n")
+   return stairs
 
+print(make_downward_stairs(5))
 
 
 
 
 # Part 2 B -- Make Space-Line 
-
+print(make_space_line(3, 5));
 
 
 
 
 # Part 2 C -- Make Isosceles Triangle
+def make_isosceles_triangle(height):
+   triangle = ""
+   for i in range(height):
+      triangle += (make_space_line(height - i - 1, 2 * i + 1) + "\n")
+   return triangle
 
+print(make_isosceles_triangle(5))
 
 
 
 
 # Part 3 -- Make a Diamond
-
+def make_diamond(height):
+   diamond = ""
+   triangle = make_isosceles_triangle(height)
+   diamond += triangle[:-1]
+   for i in range(len(triangle)-1, -1, -1):
+      diamond += triangle[i]
+   return diamond
+
+print(make_diamond(5))
 
 
 

functions/studio/functions-studio.py

@@ -1,22 +1,50 @@
 # We want to COMPLETELY reverse a list by flipping the order of the entries AND flipping the order of characters in each element.
 
 # a) Define a 'reverse_characters' function. Give it one parameter, which will be the string to reverse.
+def reverse_characters (word):
 # b) Within the function, use the 'list' function to split a string into a list of individual characters
+def reverse_characters(list)):
+    return chars = list(list))
 # c) 'reverse' your new list.
+def reverse_characters(list)):
+    chars = list(list))
+    return chars.reverse()
 # d) Use 'join' to create the reversed string and return that string from the function.
-# e) Create a variable of type string to test your new function. # f) Use 'print(reverse_characters(my_variable_name))'; to call the function and verify that it correctly reverses the characters in the string.
+def reverse_characters(list)):
+    chars = list(list))    
+    chars.reverse()
+    return "".join(chars)
+# e) Create a variable of type string to test your new function.
+my_variable_name = "Test"
+# f) Use 'print(reverse_characters(my_variable_name))'; to call the function and verify that it correctly reverses the characters in the string.
+print(reverse_characters(my_variable_name))
 # g) Use method chaining to reduce the lines of code within the function.
 
-
-
 # 2) The 'split' method does not work on numbers, but we want the function to return a number with all the digits reversed (e.g. 1234 converts to 4321 and NOT the string "4321")
-# a) Add an if statement to your reverse_characters function to check the typeof the parameter.
+
+# a) Add an if statement to your reverse_characters function to check the type of the parameter.
+def reverse_characters(value):
+    if isinstance(value, int):
+        value = str(value)
+    chars = list(value)
+    chars.reverse()
+    return "".join(chars)
 # b - d) If type is ‘string’, return the reversed string as before. If type is ‘number’, convert the parameter to a string, reverse the characters, then convert it back into a number. Return the reversed number.
 # e) Be sure to print the result returned by the function to verify that your code works for both strings and numbers. Do this before moving on to the next steps.
-
+4321
+101CL
+9035768
+radar
 # 3) Create a new function with one parameter, which is the list we want to change. The function should:
 # a) Define and initialize an empty list.
+def reverse_characters(value):
+    if isinstance(value, int):
+        value = str(value)
+    chars = list(value)
+    chars.reverse()
+    return "".join(chars)
 # b) Loop through the old list.
+
 # c) For each element in the old list, call reverse_characters to flip the characters or digits.
 # d) Add the reversed string (or number) to the list defined in part ‘a’.
 # e) Return the final, reversed list.

loops/exercises/for-loop-exercises.py

@@ -1,8 +1,15 @@
 # Exercise #1: Construct for loops that accomplish the following tasks:
     # a. Print the numbers 0 - 20, one number per line.
+for num in range(21):
+    print (num)
     # b. Print only the ODD values from 3 - 29, one number per line.
+for num in range(3,30,2):
+    print(num)
     # c. Print the EVEN numbers 12 to -14 in descending order, one number per line.
+for num in range(12,-14,-2):
+    print(num)
     # d. Challenge - Print the numbers 50 - 20 in descending order, but only if the numbers are multiples of 3. (Your code should work even if you replace 50 or 20 with other numbers).
-
-
+for num in range(50,20-1,-1)
+if num % 3 == 0:
+    print(num)
 

loops/exercises/while-loop-exercises.py

@@ -1,5 +1,7 @@
 # Define three variables for the LaunchCode shuttle - one for the starting fuel level, another for the number of astronauts aboard, and the third for the altitude the shuttle reaches.
-
+starting_fuel_level = 100
+number_of_astronauts_aboard = 8
+altitude_shuttle_reached = 1600