2024/03/24 - Updating Demo python files

Author: rphadtare

Diff for: advanced/PYthonDemo_02_OS_Module.py

@@ -0,0 +1,79 @@
+# This file provides demo of OS module
+
+import os
+
+file_path = ""
+
+
+def getDetails():
+    # to get OS name
+    print(f"OS name: {os.name}")
+
+    # to get CWD
+    print(f"Current working dir: {os.getcwd()}")
+
+
+def createDir():
+    global file_path
+    file_path = os.getcwd() + "/os_demo/"
+    is_dir_exist = os.access(file_path, os.F_OK)
+    print("directory {} exist: {}".format(file_path, is_dir_exist))
+    # to create new dir
+    if not is_dir_exist:
+        print(f"Creating dir {file_path}")
+        os.mkdir(file_path)
+
+
+def deleteDir():
+    global file_path
+    print(f"Deleting dir {file_path}")
+    os.rmdir(file_path)
+
+
+def read_or_write(operation_name):
+    global file_path
+
+    if operation_name == "w":
+        file = open(file_path + "test.txt", "w")
+        print("File obj:", file)
+        print("Writing info into file..")
+        file.write("This is OS module demo!!")
+        file.close()
+    else:
+        file = open(file_path + "test.txt", "r")
+        print(file.__dict__)
+        print("File obj:", file)
+        print("Reading info from file..")
+        info = file.read()
+        print(info)
+        file.close()
+
+
+def checkAccess():
+    global file_path
+    txt_file_path = file_path + "test.txt"
+    print(f"Access to file path {txt_file_path}: {os.access(txt_file_path, os.F_OK)}")
+    print(f"Access to read file {txt_file_path}: {os.access(txt_file_path, os.R_OK)}")
+    print(f"Access to write into file {txt_file_path}: {os.access(txt_file_path, os.W_OK)}")
+    print(f"Access to execute file {txt_file_path}: {os.access(txt_file_path, os.X_OK)}")
+
+
+def renameDir():
+    global file_path
+    # renaming existing dir
+    print(f"Existing dir: {file_path}")
+    new_dir = file_path.replace("os_demo", "os_rename_demo")
+    print(f"New dir: {new_dir}")
+    os.rename(file_path, new_dir)
+
+
+def main():
+    getDetails()
+    createDir()
+    read_or_write("r")
+    checkAccess()
+    renameDir()
+
+
+if __name__ == "__main__":
+    main()

Diff for: advanced/PythonDemo_01_Math_Module.py

@@ -0,0 +1,28 @@
+# This file provides demo of math module
+import math
+
+n1, n2 = 5, 144
+n3, n4, n5 = 5.02, 5.72, 5.50
+n6, n7, n8 = -0.13, 39, -23
+
+print(f"Square of {n1}: {math.pow(n1, 2)}")
+print(f"Square root of {n2}: {math.sqrt(n2)}")
+print(f"Factorial of {n1}: {math.factorial(n1)}")
+
+print(f"ceil of {n3}: {math.ceil(n3)}")
+print(f"ceil of {n4}: {math.ceil(n4)}")
+print(f"ceil of {n5}: {math.ceil(n5)}")
+print(f"ceil of {n6}: {math.ceil(n6)}")
+
+
+print(f"floor of {n3}: {math.floor(n3)}")
+print(f"floor of {n4}: {math.floor(n4)}")
+print(f"floor of {n5}: {math.floor(n5)}")
+print(f"floor of {n6}: {math.floor(n6)}")
+
+
+print(f"absolute value of {n6}: {math.fabs(n6)}")
+print(f"absolute value of {n7}: {math.fabs(n7)}")
+print(f"absolute value of {n8}: {math.fabs(n8)}")
+
+print("value of pi: ", math.pi)

Diff for: advanced/os_rename_demo/test.txt

@@ -0,0 +1 @@
+This is OS module demo!!