recursion basic functions

purohitdheeraj · purohitdheeraj · commit dda76af3c98f · 2021-02-19T17:16:56.000+05:30
diff --git a/functions/__pycache__/calendar.cpython-38.pyc b/functions/__pycache__/calendar.cpython-38.pyc
diff --git a/functions/binary_octal_hexadecimal.py b/functions/binary_octal_hexadecimal.py
@@ -19,7 +19,7 @@ def bin_to_decimal(num):
     count = 0
     while temp > 0:
         # print(num)
-        digit = temp % 10 #temp=1011 -- chinu debugged 
+        digit = temp % 10 #temp=1011 -- cinu debugged 
         decimal = decimal + digit * pow(2,count)
         temp = temp // 10
         count = count +  1
diff --git a/functions/calculator.py b/functions/calculator.py
@@ -0,0 +1,42 @@
+try:
+    def addition(num1, num2):
+        return num1 + num2
+
+    def substraction(num1, num2):
+        return num1 - num2
+
+    def multiplication(num1, num2):
+        return num1*num2
+
+    def division(num1, num2):
+        return num1 / num2
+
+    print('''\nSelect an Operation to be performed\n
+1.Addition\n
+2.Substraction\n
+3.Multiplication\n
+4.Division
+''')
+    choice = input("Enter Choice[1/2/3/4]: ")
+    num1 = int(input("Enter Your number 1: "))
+    num2 = int(input("Enter Your number 2: "))
+
+
+    if choice == '1':
+        print(addition(num1, num2))
+    elif choice == '2':
+        print(substraction(num1, num2))
+    elif choice == '3':
+        print(multiplication(num1, num2))
+    elif choice == '4':
+        print(division(num1, num2))
+    else:
+        print("Invalid Input!")
+
+except ZeroDivisionError:
+    print("Not divisible by Zero!")
+except ValueError:
+    print("Please Input Numbers!")
+
+else:
+    print("Calculation Completed")
diff --git a/functions/calendar_print.py b/functions/calendar_print.py
@@ -0,0 +1,6 @@
+ 
+
+from calendar import month
+import calendar # if we are assigning our file name of calendar.py then it will result in import error for that always assign your file name which is already not there in the package libraries. like calendar_print
+
+print(calendar.month(2021, 2))
diff --git a/functions/count_and_reverse.py b/functions/count_and_reverse.py
@@ -0,0 +1,11 @@
+def reverse_num(num):
+    length = 0
+    count = ""
+    while int(num) > 0:
+        rem =  int(num) % 10
+        count += str(rem)
+        num = int(num)// 10
+        length += 1
+    return count, length
+    
+print(reverse_num(123))
diff --git a/functions/factorial_recursion.py b/functions/factorial_recursion.py
@@ -0,0 +1,9 @@
+def fact_o_real_recursion(num):
+    if num <= 1:
+        return 1
+    else:
+        return num * fact_o_real_recursion(num - 1)
+
+
+for i in range(0,6):
+    print(fact_o_real_recursion(i))
diff --git a/functions/factors_of_num.py b/functions/factors_of_num.py
@@ -0,0 +1,5 @@
+def factors_of_num(num):
+    for i in range(1,num+1):
+        if num % i == 0:
+            print(i)
+factors_of_num(6)
diff --git a/functions/fibo_recursion.py b/functions/fibo_recursion.py
@@ -0,0 +1,13 @@
+def fibo_num(num):
+    
+    if num == 0 or num == 1:
+        return num
+    else:
+        return fibo_num(num - 1) + fibo_num(num - 2)
+
+
+fibo = []
+for i in range(12):
+    fibo.append(fibo_num(i))
+
+print(fibo)
diff --git a/functions/shuffle_card.py b/functions/shuffle_card.py
@@ -0,0 +1,9 @@
+import itertools, random
+def shuffle_card():
+    deck = list(itertools.product(range(1, 14), ['Spade', "Heart", "Diamond", "Club"]))
+    random.shuffle(deck)
+
+    for i in range(5):
+        print(deck[i][0], "of", deck[i][1]) # here deck[i][0] -- 5 denotes to number and deck[i][1] denotes to card name -- Club
+
+print(shuffle_card())
diff --git a/functions/sum_natural_numbers_recur.py b/functions/sum_natural_numbers_recur.py
@@ -0,0 +1,8 @@
+def sum_natural_numbers(num):
+
+    if num <= 1:
+        return num
+    else:
+        return num + sum_natural_numbers(num - 1)
+
+print(sum_natural_numbers(16))
