done all of the exercises have passed the tests.

exercises/01-hello-world/app.py

@@ -1 +1,2 @@
 # Your code here
+print("Hello World")

exercises/01.1-Access-and-Retrieve/app.py

@@ -1,7 +1,11 @@
 my_list = ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday']
 
 # 1. Print the 3rd item here
+print(my_list[2])
 
 # 2. Change the value of 'thursday' to None
+my_list[4] = None
 
 # 3. Print that position now here
+position = my_list.index(None)
+print(my_list[4])

exercises/01.2-Retrieve-items/app.py

@@ -1,5 +1,7 @@
 my_list = [4,5,734,43,45,100,4,56,23,67,23,58,45,3,100,4,56,23]
 
 # Print in the console the 1st element on the list
+print(my_list[0])
 
 # Print in the console the 4th element on the list
+print(my_list[3])

exercises/01.3-Print-the-last-one/app.py

@@ -4,7 +4,6 @@
 def generate_random_list():
     aux_list = []
     randonlength = random.randint(1, 100)
-
     for i in range(randonlength):
         aux_list.append(randonlength)
         i += i
@@ -13,4 +12,6 @@ def generate_random_list():
 my_stupid_list = generate_random_list()
 
 # Write your code below this comment, good luck!
-
+the_last_one = my_stupid_list[-1]
+print(the_last_one)
+print(my_stupid_list)

exercises/01.4-loop-seventeen/app.py

@@ -1 +1,3 @@
 # Your code here, have fun:
+for i in range(1,18):
+    print(i)

exercises/01.5-Add-item-to-list/app.py

@@ -1,5 +1,11 @@
 # Remember to import random function here
+import random
 
 my_list = [4, 5, 734, 43, 45]
 
 # The magic goes below
+print(my_list)
+for i in range(1,11):
+    my_list.append(random.randint(101,201))
+    i+=1
+print(my_list)

exercises/02-Loop-list/app.py

@@ -1,4 +1,5 @@
 my_list = [232,32,1,4,55,4,3,32,3,24,5,5,5,34,2,35,5365743,52,34,3,55]
 
 # Your code here
-print(my_list[0])
+for x , item in enumerate(my_list):
+    print(item)

exercises/02.1-Loop-from-the-top/app.py

@@ -2,5 +2,6 @@
 
 # Modify the loop below to print from end to start
 
-for i in range(0, len(my_sample_list)):
+for i in range(len(my_sample_list)-1,-1,-1) :
     print(my_sample_list[i])
+

exercises/02.2-Loop-adding-two/app.py

@@ -2,6 +2,6 @@
 
 # Your code below, don't change anything above
 
-for i in range(0, len(my_sample_list), 1):
+for i in range(0, len(my_sample_list), 2):
     print(my_sample_list[i])
 

exercises/02.3-loop-from-the-half-to-the-end/app.py

@@ -1,9 +1,12 @@
+from math import ceil
+
 my_list = [3423,5,4,47889,654,8,867543,23,48,56432,55,23,25,12]
 
 # Your code here
-inicial_value = 0
-stop_value = 0
-increase_value = 0
+
+inicial_value = ceil(len(my_list)/2)
+stop_value = len(my_list)
+increase_value = 1
 
 for i in range(inicial_value, stop_value, increase_value):
     print(my_list[i])

exercises/02.4-One_last_looping/app.py

@@ -1,3 +1,10 @@
 names = ['Esmeralda','Kiko','Ruth','Lebron','Pedro','Maria','Lou','Fernando','Cesco','Bart','Annie']
 
 # Your code here
+names[1]="Steven"
+arrLen = len(names)
+names[arrLen-1] ="Pepe"
+names[0]=names[2] + names[4]
+
+for x in range(arrLen-1,-2,-1):
+    print(names[x])

exercises/02.5-Finding_wally/app.py

@@ -1,3 +1,16 @@
 people = ['Lebron','Aaliyah','Diamond','Dominique','Aliyah','Jazmin','Darnell','Hatfield','Hawkins','Hayden','Hayes','Haynes','Hays','Head','Heath','Hebert','Henderson','Hendricks','Hendrix','Henry','Hensley','Henson','Herman','Hernandez','Herrera','Herring','Hess','Hester','Hewitt','Hickman','Hicks','Higgins','Hill','Hines','Hinton','Hobbs','Hodge','Hodges','Hoffman','Hogan','Holcomb','Holden','Holder','Holland','Holloway','Holman','Holmes','Holt','Hood','Hooper','Hoover','Hopkins','Hopper','Horn','Horne','Horton','House','Houston','Howard','Howe','Howell','Hubbard','Huber','Hudson','Huff','Wally','Hughes','Hull','Humphrey','Hunt','Hunter','Hurley','Hurst','Hutchinson','Hyde','Ingram','Irwin','Jackson','Jacobs','Jacobson','James','Jarvis','Jefferson','Jenkins','Jennings','Jensen','Jimenez','Johns','Johnson','Johnston','Jones','Jordan','Joseph','Joyce','Joyner','Juarez','Justice','Kane','Kaufman','Keith','Keller','Kelley','Kelly','Kemp','Kennedy','Kent','Kerr','Key','Kidd','Kim','King','Kinney','Kirby','Kirk','Kirkland','Klein','Kline','Knapp','Knight','Knowles','Knox','Koch','Kramer','Lamb','Lambert','Lancaster','Landry','Lane','Lang','Langley','Lara','Larsen','Larson','Lawrence','Lawson','Le','Leach','Leblanc','Lee','Leon','Leonard','Lester','Levine','Levy','Lewis','Lindsay','Lindsey','Little','Livingston','Lloyd','Logan','Long','Lopez','Lott','Love','Lowe','Lowery','Lucas','Luna','Lynch','Lynn','Lyons','Macdonald','Macias','Mack','Madden','Maddox','Maldonado','Malone','Mann','Manning','Marks','Marquez','Marsh','Marshall','Martin','Martinez','Mason','Massey','Mathews','Mathis','Matthews','Maxwell','May','Mayer','Maynard','Mayo','Mays','Mcbride','Mccall','Mccarthy','Mccarty','Mcclain','Mcclure','Mcconnell','Mccormick','Mccoy','Mccray','Wally','Mcdaniel','Mcdonald','Mcdowell','Mcfadden','Mcfarland','Mcgee','Mcgowan','Mcguire','Mcintosh','Mcintyre','Mckay','Mckee','Mckenzie','Mckinney','Mcknight','Mclaughlin','Mclean','Mcleod','Mcmahon','Mcmillan','Mcneil','Mcpherson','Meadows','Medina','Mejia','Melendez','Melton','Mendez','Mendoza','Mercado','Mercer','Merrill','Merritt','Meyer','Meyers','Michael','Middleton','Miles','Miller','Mills','Miranda','Mitchell','Molina','Monroe','Lucas','Jake','Scott','Amy','Molly','Hannah','Lucas']
 
 # Your code here
+wallys_position = people.index("Wally")
+print("Wally is in position:", wallys_position)
+
+wallys_position =-100
+# Alternatively, to find all occurrences of "Wally":
+# wallys_position = [i for i , list_item in enumerate(people) if list_item == "Wally"]
+# print("Wally is in position:", wallys_position)
+
+wallys_position = (index for index, name in enumerate(people) if name == "Wally")
+# print(list(wallys_position))
+
+for x in wallys_position:
+    print(x)

exercises/03-flip_list/app.py

@@ -1,3 +1,15 @@
 sample_list = [45, 67, 87, 23, 5, 32, 60]
 
 # Your code below
+new_list= []
+
+# new_list =sample_list.reverse()
+# print(sample_list)
+
+# for index, item in enumerate(sample_list):
+#     new_list[index]=item
+new_list_index = 0
+for i in range(len(sample_list)-1,-1,-1):
+    new_list.insert(new_list_index,sample_list[i])
+    new_list_index +=1
+print (new_list)

exercises/04-mixed_list/app.py

@@ -1,3 +1,13 @@
 mix = [42, True, "towel", [2,1], 'hello', 34.4, {"name": "juan"}]
 
 # Your code below
+def getTypeOfElements(myList):
+
+    for i in range(0,len(myList),1):
+        myList[i] = type(myList[i])    
+    return myList
+
+newArr = getTypeOfElements(mix)
+
+for x in newArr:
+    print(x)

exercises/04.1-count_on/app.py

@@ -1,3 +1,15 @@
 my_list = [42, True, "towel", [2,1], 'hello', 34.4, {"name": "juan"}]
 
 # Your code here
+new_list = []
+# for i , item in enumerate(my_list):
+#     if(type(item) == list or type(item) == dict):
+#         new_list.append(item)
+# for i in range(0,len(my_list),1):
+#     if (type(my_list[i]) ==list or type(my_list[i]) == dict):
+#         new_list.append(my_list[i])
+
+for i in range(0,len(my_list),1):
+    if (isinstance(my_list[i],(list,dict))):
+        new_list.append(my_list[i])
+print(new_list)

exercises/05-Sum_all_items/app.py

@@ -1,10 +1,21 @@
+from functools import reduce
+
 my_sample_list = [3423,5,4,47889,654,8,867543,23,48,5345,234,6,78,54,23,67,3,6,432,55,23,25,12]
 
-def sum_all_values(list):
+def sum_all_values(my_sample_list):
     total = 0
     # The magic happens here
-
-
+    # use of builtin function sum
+    # total =  sum(my_sample_list)
+    # print(total)
+    # total=0
+    # use of reduce and lambda function
+    # total =  reduce(lambda x,y: x+y,my_sample_list)
+    # print(total)
+    # total=0 
+    # use of for loop
+    for item in my_sample_list:
+        total += item
     return total
 
 print(sum_all_values(my_sample_list))

exercises/05.1-sum_odd_items/app.py

@@ -1,3 +1,12 @@
 my_list = [4,5,734,43,45,100,4,56,23,67,23,58,45]
 
 # Your code here
+
+def sum_odds(my_list):
+    total=0
+    for item in my_list:
+        if item%2 !=0 :
+            total += item
+    return total
+
+print(sum_odds(my_list))

exercises/06-Print_by_condition/app.py

@@ -1,6 +1,9 @@
 my_list = [3344,34334,454543,342534,4563456,3445,23455,234,262,2335,43323,4356,345,4545,452,345,434,36,345,4334,5454,345,4352,23,365,345,47,63,425,6578759,768,834,754,35,32,445,453456,56,7536867,3884526,4234,35353245,53244523,566785,7547,743,4324,523472634,26665,63432,54645,32,453625,7568,5669576,754,64356,542644,35,243,371,3251,351223,13231243,734,856,56,53,234342,56,545343]
 
 
-for i in my_list:
+for item in my_list:
     # The magic happens here
+    if item % 14 == 0:
+        print(item)
+
 

exercises/06.1-Everything_is_awesome/app.py

@@ -2,10 +2,12 @@
 
 def my_function(numbers):
     new_list = []
-    for i in numbers:
+    for num in numbers:
         # The magic happens here
-
-
+      if num == 1: 
+         new_list.append(num) 
+      else:
+         new_list.append("Yahoo")
     return new_list
 
 print(my_function(my_list))

exercises/07-Do_while/app.py

@@ -1 +1,9 @@
 # Your code here
+x = 20
+while x > 0  :
+    if x % 5 == 0:
+      print(str(x) +"!")
+    else:
+      print(x)
+    x -= 1
+print("LIFTOFF")

exercises/08-Delete_element/app.py

@@ -2,7 +2,11 @@
 
 def delete_person(person_name):
     # Your code here
-
+    new_people = []
+    for person in people:
+        if person != person_name :
+            new_people.append(person)
+    return new_people    
 
 
 # Don't delete anything below

exercises/08.1-Merge_list/app.py

@@ -4,6 +4,13 @@
 
 def merge_list(list1, list2):
     # Your code here
-
+    merged_list = []
+    # same as "spread operator '...' in JavaScript"
+    # here we use '*' to unpack the lists and tuples, and use '**' to unpack dictionaries
+    # merged_list = [*list1,*list2]
+    merged_list = [*list1]
+    for item in list2:
+        merged_list.append(item)
+    return merged_list
 
 print(merge_list(chunk_one, chunk_two))

exercises/08.2-Divide_and_conquer/app.py

@@ -1,7 +1,17 @@
 list_of_numbers = [4, 80, 85, 59, 37, 25, 5, 64, 66, 81, 20, 64, 41, 22, 76, 76, 55, 96, 2, 68]
 
 # Your code here
+def sort_odd_even(list1):
+    even = []
+    odd = []   
 
+    for item in list1:
+        if item %2 == 0:
+            even.append(item)
+        else:
+            odd.append(item)   
+    odd.extend(even)        
+    return odd
 
 print(sort_odd_even(list_of_numbers))
 

exercises/09-Max_integer_from_list/app.py

@@ -1,3 +1,11 @@
 my_list = [43,23,6,87,43,1,4,6,3,67,8,3445,3,7,5435,63,346,3,456,734,6,34]
 
 # Your code here
+
+def max_integer(mylist):
+    max_num = 0
+    for num in mylist:
+        if num > max_num:
+            max_num = num
+    return max_num
+print(max_integer(my_list))

exercises/09.1-For_loop_min_value/app.py

@@ -1,3 +1,8 @@
 my_list = [3344,34334,454543,342534,4563456,3445,23455,234,262,2335,43323,4356,345,4545,452,345,434,36,345,4334,5454,345,4352,23,365,345,47,63,425,6578759,768,834,754,35,32,445,453456,56,7536867,3884526,4234,35353245,53244523,566785,7547,743,4324,523472634,26665,63432,54645,32,453625,7568,5669576,754,64356,542644,35,243,371,3251,351223,13231243,734,856,56,53,234342,56,545343]
 
 # Your code here
+min_value = my_list[0]
+for num in my_list:
+    if num < min_value:
+        min_value = num 
+print(min_value)

exercises/10-Find_avg/app.py

@@ -1,3 +1,8 @@
 my_list = [2323,4344,2325,324413,21234,24531,2123,42234,544,456,345,42,5445,23,5656,423]
 
 # Your code here
+total = 0
+for item in my_list:
+    total += item
+avg_val = total/len(my_list)
+print(avg_val)

exercises/10.1-And_One_and_a_Two_and_a_Three/app.py

@@ -5,4 +5,7 @@
 }
 
 # Your code here
+for key, value in contact.items():
+    print(key+": "+ value)
+
 

exercises/11-Nested_list/app.py

@@ -1,3 +1,12 @@
 coordinates_list = [[33.747252, -112.633853], [-33.867886, -63.987], [41.303921, -81.901693], [-33.350534, -71.653268]]
 
 # Your code here
+for i in range(0,len(coordinates_list)):
+    print(coordinates_list[i][1])
+
+
+
+
+
+
+

exercises/12-Map_a_list/app.py

@@ -1,9 +1,12 @@
 celsius_values = [-2, 34, 56, -10]
 
 def celsius_to_fahrenheit(celsius):
-    # The magic happens here
-
+    # The magic happens here  
+    fahrenheit_values = [(celsius * 9/5) + 32 for celsius in celsius_values]    
+    return fahrenheit_values
 
-result = list(map(celsius_to_fahrenheit, celsius_values))
 
-print(result)
+
+
+result = list(map(celsius_to_fahrenheit, celsius_values))  
+print(celsius_to_fahrenheit(celsius_values))

exercises/12.1-more_mapping/app.py

@@ -1,5 +1,9 @@
 my_numbers = [23,234,345,4356234,243,43,56,2]
 
 # Your code here
+def multiply_by_three(num):
+    newNum = num * 3 
+    return newNum
 
-print(new_list)
+new_list = list(map(multiply_by_three,my_numbers))
+print(new_list)

exercises/12.2-Map_function_inside_variable/app.py

@@ -4,3 +4,5 @@ def prepender(name):
     return "My name is: " + name
 
 # Your code here
+test_list = list(map(prepender, names))
+print(test_list)

exercises/12.3-Map_data_types/app.py

@@ -1,9 +1,8 @@
 mixed_list = ['1','5','45','34','343','34',6556,323]
 
 def type_list(items):
-        # Your code here
-        return 
+    items = type(items)        
+    return items
 
 new_list = list(map(type_list, mixed_list))
-
 print(new_list)