Improve Update multthreading_introduction.py

Basics/Hindi/4_user_input/4_user_input.py

@@ -1,4 +1,8 @@
+#User given Input n1
 n1=input("Enter first number")
+#User given Input n2
 n2=input("Enter second number")
+#Type casting string to float, sum of two input n1+ n2
 sum=float(n1)+float(n2)
-print("Sum is:",sum)
+#Output of the Calculation or show the Answer
+print("Sum is:",sum)

Multiprocessing/multthreading_introduction.py

@@ -5,6 +5,7 @@ def calc_square(numbers):
  print("calculate square numbers")
  for n in numbers:
  time.sleep(1)
+ #time, sleep function is used to add delay in the execution of a program.
  print('square:',n*n)
 
 def calc_cube(numbers):
@@ -14,7 +15,7 @@ def calc_cube(numbers):
  print('cube:',n*n*n)
 
 arr = [2,3,8,9]
-
+#time.time() returns the time as a floating point number expressed in seconds since the epoch, in UTC.
 t = time.time()
 
 t1= threading.Thread(target=calc_square, args=(arr,))