Adding edx work

edx-python/w1/1.py

@@ -0,0 +1,7 @@
+iteration = 0
+count = 0
+while iteration < 5:
+    for letter in "hello, world":
+        count += 1
+    print("Iteration " + str(iteration) + "; count is: " + str(count))
+    iteration += 1 

edx-python/w1/2.py

@@ -0,0 +1,6 @@
+for iteration in range(5):
+    count = 0
+    while True:
+        for letter in "hello, world":
+            count += 1
+        print("Iteration " + str(iteration) + "; count is: " + str(count))

edx-python/w1/3.py

@@ -0,0 +1,7 @@
+for iteration in range(5):
+    count = 0
+    while True:
+        for letter in "hello, world":
+            count += 1
+        print("Iteration " + str(iteration) + "; count is: " + str(count))
+        break

edx-python/w1/4.py

@@ -0,0 +1,8 @@
+count = 0
+phrase = "hello, world"
+for iteration in range(5):
+    index = 0
+    while index < len(phrase):
+        count += 1
+        index += 1
+    print("Iteration " + str(iteration) + "; count is: " + str(count))

edx-python/w1/5.py

@@ -0,0 +1,7 @@
+count = 0
+phrase = "hello, world"
+for iteration in range(5):
+    while True:
+        count += len(phrase)
+        break
+    print("Iteration " + str(iteration) + "; count is: " + str(count))

edx-python/w1/6.py

@@ -0,0 +1,5 @@
+count = 0
+phrase = "hello, world"
+for iteration in range(5):
+    count += len(phrase)
+    print("Iteration " + str(iteration) + "; count is: " + str(count))

edx-python/w1/problem-w1.py

@@ -0,0 +1,16 @@
+# Assume s is a string of lower case characters.
+
+# Write a program that counts up the number of vowels contained in the string s. Valid vowels are: 'a', 'e', 'i', 'o', and 'u'. For example, if s = 'azcbobobegghakl', your program should print:
+
+# Number of vowels: 5
+s = 'obbbobobkobobonboobldhbobboobybobbobob'
+
+
+bob = 'bob'
+count = 0
+
+for i in range(len(s)):
+    if s.startswith('bob', i):
+        count += 1
+
+print("Number of bobs:", count)

edx-python/w1/problem3-w1.py

@@ -0,0 +1,7 @@
+import string 
+
+alphabet = string.ascii_lowercase
+
+s = 'azcbobobegghakl'
+count = 0
+

edx-python/w2/2.py

@@ -0,0 +1,15 @@
+x = 23
+epsilon = 0.01
+step = 0.1
+guess = 0.0
+
+while abs(guess**2-x) >= epsilon:
+    if guess <= x:
+        guess += step
+    else:
+        break
+
+if abs(guess**2 - x) >= epsilon:
+    print('failed')
+else:
+    print('succeeded: ' + str(guess))

edx-python/w2/3.py

@@ -0,0 +1,38 @@
+print("Please think of a number between 0 and 100!")
+guess = input()
+
+computer_guess = 50
+user_input = ""
+correct_input = False
+
+def checkUserInput(user_input):
+    if user_input  == 'l' or user_input == 'h' or user_input == 'c':
+        return True 
+    else:
+        print("Sorry, I did not understand your input.")
+        return False
+
+def checkValue(user_input, guess):
+    if user_input == 'h':
+        new_guess = guess//2
+        return new_guess
+    elif user_input == 'l':
+        new_guess = guess + guess//2
+        return new_guess
+    elif user_input == 'c':
+        return guess
+    else:
+        raise ValueError
+
+while guess != computer_guess:
+    print("Is your secret number", computer_guess, "?")
+    print("Enter 'h' to indicate the guess is too high. Enter 'l' to indicate the guess is too low. Enter 'c' to indicate I guessed correctly.")
+    user_input = input()
+    if correct_input == False:
+        correct_input = checkUserInput(user_input)
+        computer_guess = checkValue(user_input, computer_guess)
+    else:
+        computer_guess = checkValue(user_input, computer_guess)
+
+
+print("Game over. Your secret number was:", computer_guess)