New Challenging Programs

Challenge questions/manojathreya/1.py

@@ -0,0 +1,16 @@
+#@author:Manoj Athreya A
+
+#write a program to print occurance count of all the characters of a string.
+
+str="Good Morning"
+d=dict()
+count=0
+for char in str:
+    if char in d:
+        d[char]=d[char]+1
+    else:
+        d[char]=1
+print(d)
+
+#OUTPUT: {'G': 1, 'o': 3, 'd': 1, ' ': 1, 'M': 1, 'r': 1, 'n': 2, 'i': 1, 'g': 1}
+

Challenge questions/manojathreya/2.py

@@ -0,0 +1,29 @@
+#@author:Manoj Athreya A
+
+#Vacation Caluclator
+def hotel_cost(days):
+  return 140 * days
+
+def plane_ride_cost(city):
+  if city == "Charlotte":
+    return 183
+  elif city == "Tampa":
+    return 220
+  elif city == "Pittsburgh":
+    return 222
+  elif city == "Los Angeles":
+    return 475
+
+def rental_car_cost(days):
+  cost = days * 40
+  if days >= 7:
+    cost -= 50
+  elif days >= 3:
+    cost -= 20
+  return cost
+
+def trip_cost(city, days, spending_money):
+  return rental_car_cost(days) + hotel_cost(days) + plane_ride_cost(city) + spending_money
+
+print (trip_cost("Los Angeles", 5, 600))
+#1955

Challenge questions/manojathreya/3.py

@@ -0,0 +1,27 @@
+#@author:Manoj Athreya A
+
+#Class Program
+class A:
+    def __init__(self,val1,val2):
+        self.__a=val1
+        self.b=val2
+    def display(self):
+        print(self.__a,self.b)
+
+class B(A):
+    def __init__(self,v1,v2,v3):
+        super().__init__(v1,v2)
+        self.__c=v3
+    def display(self):
+        super().display()
+        print(self.__c)  
+        print(self.b)   
+
+obj=B(10,20,30)  
+obj.display()   
+# =============================================================================
+# #output:
+# 10 20 
+# 30 
+# 30
+# =============================================================================

Challenge questions/manojathreya/4.py

@@ -0,0 +1,55 @@
+#@author:Manoj Athreya A
+
+#DATABASE CREATION
+
+import sqlite3
+
+conn=sqlite3.connect('movie.sqlite')
+cur=conn.cursor()
+
+cur.execute('DROP TABLE IF EXISTS Movies')
+
+cur.execute('CREATE TABLE Movies(title TEXT,ratings INTEGER)')
+cur.execute('INSERT INTO Movies(title,ratings) VALUES (?,?)',('KGF',5))
+cur.execute('INSERT INTO Movies(title,ratings) VALUES (?,?)',('Natasarvabhouma',3))
+cur.execute('''INSERT INTO MOVIES VALUES('Yajamana','4')''')
+cur.execute('''INSERT INTO MOVIES VALUES('99','3.5')''')
+cur.execute('SELECT * FROM Movies')
+
+for row in cur:
+    print(row)
+
+cur.execute('SELECT title,ratings FROM Movies')
+for row in cur:
+    print(row)
+
+# =============================================================================
+# OUTPUT:
+# ('KGF', 5)
+# ('Natasarvabhouma', 3)
+# ('Yajamana', 4)
+# ('99', 3.5)
+# =============================================================================
+
+cur.execute('SELECT title FROM Movies')
+for row in cur:
+    print(row)
+# =============================================================================
+# OUTPUT:
+# ('KGF',)
+# ('Natasarvabhouma',)
+# ('Yajamana',)
+# ('99',)
+# =============================================================================
+cur.execute('SELECT ratings FROM Movies')
+for row in cur:
+    print(row)
+# =============================================================================
+# OUTPUT: 
+# (5,)
+# (3,)
+# (4,)
+# (3.5,)
+# =============================================================================
+cur.close()
+conn.close()