Adding Chpater 2 files (packages)

Chapter2/mypackages/masifutilv2/masifutil/__init__.py

@@ -0,0 +1,4 @@
+
+from .mycalculator import add, subtract
+from .myrandom import random_1d, random_2d
+from .advcalc.advcalculator import sqrt, log, ln

Chapter2/mypackages/masifutilv2/masifutil/advcalc/__init__.py

@@ -0,0 +1 @@
+#empty

Chapter2/mypackages/masifutilv2/masifutil/advcalc/advcalculator.py

@@ -0,0 +1,14 @@
+# advcalculator.py with sqrt,log and ln functions
+import math
+
+def sqrt(x):
+   """This function takes square root of a number"""
+   return math.sqrt(x)
+
+def log(x):
+   """This function returns log of base 10"""
+   return math.log(x,10)
+
+def ln(x):
+   """This function returns log of base 2"""
+   return math.log(x,2)

Chapter2/mypackages/masifutilv2/masifutil/mycalculator.py

@@ -0,0 +1,9 @@
+# mycalculator.py with add and subtract functions
+
+def add(x, y):
+   """This function adds two numbers"""
+   return x + y
+
+def subtract(x, y):
+   """This function subtracts two numbers"""
+   return x - y

Chapter2/mypackages/masifutilv2/masifutil/myrandom.py

@@ -0,0 +1,14 @@
+# myrandom.py with default and custom random functions
+import random
+
+def random_1d():
+   """This function get a random number between 0 and 9"""
+   return random.randint(0,9)
+
+def random_2d():
+   """This function get a random number between 10 and 99"""
+   return random.randint(10,99)
+
+def get_random(lower, upper):
+   """This function get a random number between lower and upper"""
+   return random.randint(lower,upper)