* more examples

Author: dmilos

core_class/del.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+
+class FooType(object):
+
+    def __del__(self):
+        print 'Good by'
+
+print 'Make instance...'
+
+ft = FooType();
+
+print 'End...'

core_class/init.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+
+class FooType(object):
+    def __init__(self, id):
+        self.id = id
+        print self.id, 'born'
+
+print 'Make instance...'
+
+ft = FooType(1)
+
+print 'End...'

core_for/test01.py

@@ -0,0 +1,4 @@
+#!/usr/bin/python
+
+for i in xrange(10):
+    print ( 'tra la la', i )

core_for/test02.py

@@ -0,0 +1,4 @@
+#!/usr/bin/python
+
+for i in xrange(4, 10):
+    print ( 'tra la la', i )

core_for/test04.py

@@ -0,0 +1,4 @@
+#!/usr/bin/python
+
+for i in xrange(4, 10,2):
+    print ( 'tra la la', i )

core_types/list/append.py

@@ -1,4 +1,8 @@
 x = [1, 2, 3]
+print (x)
 x.append([4, 5])
 print (x)
 
+x.append(4)
+print (x)
+

json/test.py

@@ -0,0 +1,8 @@
+import json 
+print '***************'
+print json.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}], indent=4)
+print '***************'
+print json.dumps({"c": 0, "b": 0, "a": 0}, sort_keys = True, indent=4 )
+print '***************'
+print json.dumps( {'4': 5, '6': 7}, indent=4)
+print '***************'

lib_os/os_environ.py

@@ -1,2 +1,4 @@
 import os
+print os.environ["PATH"]
+print "---------"
 print os.environ

lib_os/os_getcwd.py

@@ -0,0 +1,3 @@
+import os
+print "Current working folder is: "
+print os.getcwd()

sys_arg/test01.py

@@ -0,0 +1,6 @@
+#!/usr/bin/python
+# URL: https://www.tutorialspoint.com/python/python_command_line_arguments.htm
+import sys
+
+print 'Number of arguments:', len(sys.argv), 'arguments.'
+print 'Argument List:', str(sys.argv)