Merge branch 'geekcomputers:master' into master

Author: OfficialAhmed

Add two numbers.py

@@ -1,12 +1,13 @@
 # Python program to find the factorial of a number provided by the user.
 
 def factorial(n):
-	if n < 0:
+	if n < 0:         # factorial of number less than 0 is not possible
 		return "Oops!Factorial Not Possible"
-	elif n == 0:
+	elif n == 0:    # 0! = 1; when n=0 it returns 1 to the function which is calling it previously. 
 		return 1
 	else:
-		return n*factorial(n-1)
+		return n*factorial(n-1)  
+#Recursive function. At every iteration "n" is getting reduced by 1 until the "n" is equal to 0.
 
-n = int(input())
-print(factorial(n))
+n = int(input("Enter a number: ")) # asks the user for input 
+print(factorial(n))    # function call

Addtion of two numbers.py

@@ -1,3 +1,3 @@
 numpy==1.25.2
-opencv_python==4.8.0.74
-mediapipe==0.10.2
+opencv_python==4.8.1.78
+mediapipe==0.10.5

FIND FACTORIAL OF A NUMBER.py

@@ -1,2 +1,2 @@
-Pillow==10.0.0
+Pillow==10.0.1
 fpdf==1.7.2

Hand-Motion-Detection/requirements.txt

@@ -1,7 +1,33 @@
-q=0
-n=int(input("Enter Number: "))
-while(n>0):
- r=n%10
- q=q+r
- n=n//10
-print("Sum of digits is: "+str(q))
+# Python code to calculate the sum of digits of a number, by taking number input from user.
+
+import sys
+
+def get_integer():
+    for i in range(3,0,-1):                       # executes the loop 3 times. Giving 3 chances to the user.
+        num = input("enter a number:")
+        if num.isnumeric():                       # checks if entered input is an integer string or not.
+            num = int(num)                        # converting integer string to integer. And returns it to where function is called.
+            return num
+        else:
+            print("enter integer only")                    
+            print(f'{i-1} chances are left' if (i-1)>1 else f'{i-1} chance is left')     # prints if user entered wrong input and chances left.
+        continue   
+        
+
+def addition(num):
+    Sum=0
+    if type(num) is type(None):               # Checks if number type is none or not. If type is none program exits.
+        print("Try again!")
+        sys.exit()
+    while num > 0:                            # Addition- adding the digits in the number.
+        digit = int(num % 10)
+        Sum += digit
+        num /= 10
+    return Sum                                # Returns sum to where the function is called.
+
+
+
+if __name__ == '__main__':                    # this is used to overcome the problems while importing this file.                         
+    number = get_integer()
+    Sum = addition(number)
+    print(f'Sum of digits of {number} is {Sum}')      # Prints the sum