python packages

Deepak Sabhrawal · Deepak Sabhrawal · commit e51de65df7af · 2023-06-01T23:40:50.000+01:00
diff --git a/ObjectOrientedPython/BasicClass.py b/ObjectOrientedPython/BasicClass.py
@@ -14,7 +14,7 @@
 class Employee:
     ''' This is the version 1.0 of Employee class''' #doc string
     #Defining constructor of class Employee 
-    #self refers to the current object (same like this in java)
+    #self refers to the current object (same like this in java programming)
     #any variable defined with self is an instance variable in python
     def __init__(self):
         super().__init__()
@@ -50,6 +50,6 @@ def display(self):
 #Employee Salary:  100000
 
 #Important Notes:
-#self is not a keyword or reserved word is python
+#self is not a keyword or reserved word in python
 #we can use any name instead of self like this
 #The first parameter paased to any instance method is pointing to the current object
diff --git a/ObjectOrientedPython/test_package.py b/ObjectOrientedPython/test_package.py
@@ -0,0 +1,13 @@
+#Here we will import calculator module from the custom package
+
+#If you see no myfirstpackage module found error make sure your project directory is
+#on the class path
+#hit this on command prompt with proper path of your project directory
+#export PYTHONPATH="${PYTHONPATH}:/path/to/your/project"
+
+from myfirstpackage import calculator as calc
+
+print(calc.sum(2,3))
+
+print(calc.mul(2,3))
+
diff --git a/myfirstpackage/__init__.py b/myfirstpackage/__init__.py
@@ -0,0 +1,2 @@
+#every package folder would have __init__.py file to declare it as a package
+print('Initializing myfirstpackage!')
diff --git a/myfirstpackage/calculator.py b/myfirstpackage/calculator.py
@@ -0,0 +1,16 @@
+#This module will have calculator functionality.
+
+def sum(x,y):
+    return x+y
+
+
+def sub(x,y):
+    return x-y
+
+
+def mul(x,y):
+    return x*y
+
+
+def div(x,y):
+    return x/y

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+#every package folder would have __init__.py file to declare it as a package`
	`2`	`+print('Initializing myfirstpackage!')`