Codefights def simpleSort(arr)

#sample solution
def simpleSort(arr):

    n = len(arr)

    for i in range(n):
        j = 0
        stop = n - i
        while j < stop - 1:
            if arr[j] > arr[j + 1]:
                temp = arr[j+1]
                arr[j+1] = arr[j]
                arr[j] = temp
            j += 1
    return arr

Codefights def modulus(n)

#sample solution
def modulus(n):
    if isinstance( n, int ) :
        return n % 2
    else:
        return -1

What hotkeys can you use in a Python shell to repeat the previous command you typed?

Answer:

Alt - p

p stands for previous. If you keep pressing Alt - p, you will continue cycling back through commands you typed before. If you press Alt - n, you will cycle forward. n stands for next.

#Python #Codecademy File Input/Output Case Closed?

# Sample solution


with open("text.txt", "w") as my_file:
my_file.write("Kumbaya Sharkey!")

if not my_file.closed:
    my_file.close()
print my_file.closed

#Python #Codecademy File Input/Output Try It Yourself

# Sample solution


with open("text.txt", "w") as my_file:
my_file.write("Kumbaya Sharkey!")

#Python #Codecademy File Input/Output PSA: Buffering Data

# Sample solution


# Open the file for reading
read_file = open("text.txt", "r")

# Use a second file handler to open the file for writing
write_file = open("text.txt", "w")
# Write to the file
write_file.write("Not closing files is VERY BAD.")

write_file.close()

# Try to read from the file
print read_file.read()
read_file.close()

#Python #Codecademy File Input/Output Reading Between the Lines

# note: The instructions state to use "text.txt" but an error comes up stating that the file does not exist
# as a work around, I used "output.txt" instead

my_file = open("output.txt","r")
print my_file.readline()
print my_file.readline()
print my_file.readline()
my_file.close()

#Python #Codecademy File Input/Output Reading

# Sample solution


my_file = open("output.txt","r")
print my_file.read()
my_file.close()

#Python #Codecademy File Input/Output Writing

# Sample solution


my_list = [i**2 for i in range(1,11)]

my_file = open("output.txt", "r+")

# Add your code below!

for i in my_list:
  my_file.write(str(i)+"\n")
my_file.close()

#Python #Codecademy File Input/Output The open() Function

# Sample Solution

my_file = open("output.txt","r+")

#LearnStreet: Teacher's Preview Assignment Lesson 10 Sample Solution

def who_are_you(green, large):
    # Write if-elif-else statements below
    if green and large:
        return "hulk"
    elif green:
        return "alien"
    elif large:
        return "elephant"
    else:
        return "Bruce Banner"
#This is just for you to see what happens when the function is called
print who_are_you(True, True)

#LearnStreet: Teacher's Preview Assignment Lesson 9 Sample Solution

def kitchen_or_bed(hungry, thirsty):
    # your if statement here
    if hungry or thirsty:
        return "go to kitchen"
    else:
        return "go to bed"

#This is just for you to see what happens when the function is called
print kitchen_or_bed(True, True)

#LearnStreet: Teacher's Preview Assignment Lesson 8 Sample Solution

def should_eat(hungry, awake):
    #your if statement here
    if hungry and awake:
        return "eat"
    else:
        return "don't eat"

#This is just for you to see what happens when the function is called
print should_eat(True, True)

#LearnStreet: Teacher's Preview Assignment Lesson 7 Sample Solution

def check_interval():
    #Your code here
    if num >= 1 & num <=5:
        return "1-5"
    elif num >= 6 & num <=10:
        return "6-10"
    elif num >= 11 & num <=15:
        return "11-15"
    elif num >= 16 & num <=20:
        return "16-20"  
    else:
        return "not in between 1-20"

#This is just for you to see what happens when the function is called
print check_interval()

#LearnStreet: Teacher's Preview Assignment Lesson 6 Sample Solution

def check_length(phrase):
    # your if condition here
    if len(phrase) < 30:
        return 1
    # your elif condition here
    elif len(phrase) == 30:
        return 2
    # your else condition here
    else:
        return 3

#This is just for you to see what happens when the function is called
print check_length("hi, i am a phrase")

#LearnStreet: Teacher's Preview Assignment Lesson 5 Sample Solution

def colorful_conditions():

    color = "blue"

    if  color == "red":
        return "first block"
    elif  color == "white":
        return "second block"
    elif  color == "blue":
        return "third block"
    else:
        return "fourth block"

#This is just for you to see what happens when the function is called
print colorful_conditions()

#LearnStreet: Teacher's Preview Assignment Lesson 4 Sample Solution

def check_condition():
    #return this if the condition is True
    ifRun = "if code block run"

    #return this is if the condition is False
    elseRun = "else code block run"

    if condition == True:
        return ifRun
    else:
        return elseRun

#This is just for you to see what happens when the function is called
print check_condition()

#LearnStreet: Teacher's Preview Assignment Lesson 3 Sample Solution

flag = "unchanged"
def always_false():
    global flag
    if False:
        flag = "changed"

#This is just for you to see what happens when the function is called
always_false()
print flag

#LearnStreet: Teacher's Preview Assignment Lesson 2 Sample Solution

def always_true():
    if 1 == 1:
        #insert your code here
        return "complete"

#This is just for you to see what happens when the function is called
print always_true()

#LearnStreet: Teacher's Preview Assignment Lesson 1 Sample Solution

def check_wounds():
    #your code here
    arms = 0
    if arms == 1:
        return "tis but a scratch"
    elif arms == 0:
        return "flesh wound"
    else:
        return "cross bridge"

#This is just for you to see what happens when the function is called
print check_wounds()