# Loops
# Make a for loop that prints 1..10 including the 1 and 10.
for i in range(1, 11):
    print(i)

# Make a while loop that prints 1..10 including the 1 and 10.
i = 1
while i <= 10:
    print(i)
    i = i + 1

# Make a while loop that prints 1,2,4,8,16,32,64,128,256,512, 1024, 2048.
i = 1
while i <= 2048:
    print(i)
    i = i * 2

# Make a for loop that prints -3,0,3,6,9,12,15,18.
for i in range(-3, 19, 3):
    print(i)

# Make a program that prints this:  256,128,64,32,16,8,4,2,1
i = 256
while i >= 1:
    print(i)
    i = i/2
for i in range(8,-1,-1):
    print(2**i)


# Make a loop that prints
1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5...(forever)
while 2!=3:
    print(1,2,3,4,5)






# Do it again a different way
i =1
while True:
    print(i)
    if i == 5:
        i = 1
    else:
        i+=1

# Do it again a different way with '*'


###########################################################################
# Lists

# Make a list that contains 1,2,3, and 4.
l = [1, 2, 3, 4]

# Make a list that contains 1,â€appleâ€, 3, and “pearâ€.
l2 = [1, "apple", 3, "pear"]

# Make a for loop that prints all the items in one of the lists above.
for i in l:
    print(i)

# Make a list.  Print “yes†or “no†depending on if “apple†is in the list.
if "apple" in l:
    print("Yes")
else:
    print("no")

# Using slicing, print the last item in one of the lists above.
print(l[-1])

# Using slicing, print a list that is the second-to-end and last item in one of the lists above.
print(l[-2:])

# Using two lists, merge them any reasonable way you want.
l.extend(l2)
# -OR-
l = l + l2

# Given the list l=[1,12,3,12,5,6,12] count the number of 12's.
print(l.count(12))
c = 0
for item in l:
    if item == 12:
        c += 1

print(c)

# Compute the sum of the not-12s.  You should get 15.
total = 0
for item in l:
    if item != 12:
        total += item
print(total)

# Give the list above, make a list of the non-12 elements.
# You should get [1,3,5,6]
total = []
for item in l:
    if item != 12:
        total.append(item)
print(total)


#  (BONUS) Given a list, print it backwards
print(l.reversed())
for i in range(len(l), -1, -1):
    print(l[i])

#############################################################################
# Files

# Open some file and print the first line
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
line = file.readline()
print(line)

# Open some file and print all the lines.
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
for line in file:
    print(line)

# Open some file and print the last line
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
print(file.readlines()[-1])

lines = []
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
for line in file:
    lines.append(line)
print(lines[-1])

# Open some file, and print the lines in sorted order.
# Hint:  Put the lines in a list, sort the list, and print the list
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
lines = []
for line in file:
    lines.append(line)
lines = sorted(lines)
print(lines)
# -OR-
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
lines = file.readlines()
lines = sorted(lines)
print(lines)

# Print every OTHER line of a file.
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
lines = file.readlines()
for i in range(0, len(lines), 2):
    print(line[i])

file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
print(file.readlines()[::2])

file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
c = 0
for line in file:
    if c % 2 == 0:
        print(line)
    c += 1


file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
for line in file:
    junk = readline()
    print(junk)


# Make a file that is just a bunch of numbers, one per line.
# Write a program that adds them up.
file = open("C:\\Users\\rappleto\\Desktop\\numbers.txt", "r")
total = 0
for number in file:
    total += double(number)
print(total)



# Make a program that prints the first char of the file
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
print(file.read(1))

file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
firstline = file.readline()
print(firstline[0])

file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
lines = file.readlines()
print(lines[0][0])

# Make a program that prints chars 5..15 of each line of the file.
file = open("C:\\Users\\rappleto\\Desktop\\passwd.txt", "r")
for line in file:
    print(line[5:16])

# If Statements

# Make an if statement that prints “Yes†if the variable ‘a’ is 5.
a = 3
b = 7
if a == 5:
    print("Yes")

# Make an if statement that prints “Yes†if the variable ‘a’ is 5 and ‘b’ is 10.
if a == 5 and b == 10:
    print("Yes")

# Make an if statement that prints ‘A’ is the variable ‘grade’ is in the range 100-90, ‘B’ if it is in the range 89-80, ‘C’ if it is in the range 79-70, and “Bad†otherwise.
grade = 100
if 90 <= grade <= 100:
    print("A")
elif grade >= 80:
    print("B")
elif grade >= 70:
    print("C")
else:
    print("Bad")