Commited all the files and folders

Author: StrangeCoder1729

10_question.py

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+# Q10). Write a program in Python to find sum of digits of a number
+
+n = int(input("Enter n : "))
+
+sum = (n*(n+1))/2
+print(sum)

11_question.py

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+
+a = int(input("Enter a : "))
+b = int(input("Enter b : "))
+
+a = a -b
+b = a + b
+a = b -a 
+
+print("after swapping :-")
+print(a)
+print(b)

13_Question.py

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+#Q12). Write a program in Python to swap two numbers using third variable?
+
+
+def prime(num):
+    isprime = True
+    for i in range(2,num):
+        if(num % i == 0):
+            isprime = False
+            break
+    if(isprime == True):
+        return num
+    
+
+num = int(input("Enter number : "))
+print("Prime factors :-")
+for i in range(2, num):
+    if(prime(i) == None):
+        continue
+    if(num % i == 0):
+        print(prime(i))
+    
+

14_Question.py

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+#Q14). Write a program in Python to add two integer without using arithmetic operator?
+
+a = int(input("Enter a : "))
+b = int(input("Enter b : "))
+
+add = -1*(-(a)-(b))
+print(add)

15_Question.py

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+#Q15). Write a program in Python to find given number is perfect or not?
+
+
+def perfect(num):
+    add = 0
+    for i in range(1,num):
+        if(num % i == 0):
+            add += i
+    if(add == num):
+        print("It is a perfect number !!!")
+    else:
+        print("It is not a perfect number !!!")
+
+
+num = int(input("Enter number : "))
+perfect(num)

16_Question.py

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+#Q16). Python Program to find the Average of numbers with explanations.
+
+
+def sum_num(lst):
+    add = 0
+    for i in range(0,len(lst)):
+        add += lst[i]
+    return add
+
+def avg(lst):
+    summing = sum_num(lst)
+    average = summing/len(lst)
+    return average
+
+
+lst = []
+n = int(input("Enter range : "))
+for i in range(0,n):
+    user_input = int(input(f"Enter number {i + 1} : "))
+    lst.append(user_input)
+
+res = avg(lst)
+print(res)
+

17_Question.py

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+# Q17). Python Program to calculate factorial using iterative method.
+
+def fact(num):
+    mul = 1
+    for i in range(1,num+1):
+        mul = mul * i
+    return mul
+
+
+num = int(input("Enter number : "))
+print(fact(num))

18_Question.py

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+# Q19). Python Program to check a given number is even or odd.
+
+def detect (num):
+    if(num % 2 == 0):
+        print("The Number is even !!")
+    else:
+        print("The Number is odd !!")
+
+
+num =int(input("Enter number : "))
+detect(num)

19_Question.py

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+# Q1). Write a program to reverse an integer in Python
+
+def reverse(num):
+    temp = 0
+    num1 = num
+    rev = 0
+    while(num > 0):
+
+        temp = num% 10
+        rev = rev*10 + temp
+        num = num//10
+    return rev
+
+
+    
+
+num = int(input("Enter number : "))
+print(reverse(num))