CodeNO-1_implementation
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3 years ago
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class Set: def length(self, List): index = 0 while True: try: ele = List[index] index = index + 1 except: break return index def isPresent(self, List, tarEle): for i in range(self.length(List)): if List[i] == tarEle: return True return False def genSet(self): result = [] no = int(input("Enter number of students: ", )) for i in range(no): rollNo = int(input("Enter roll no of student: ", )) if self.isPresent(result, rollNo): print("Roll no already stored!!") rollNo = int(input("Re-enter roll no of student: ", )) result.append(rollNo) else: result.append(rollNo) return result def Union(self, List1, List2): len1 = self.length(List1) len2 = self.length(List2) result = [] if len1 != 0 and len2 != 0: for i in range(len1): ele = List1[i] result.append(ele) for i in range(len2): if self.isPresent(result, List2[i]): continue else: result.append(List2[i]) return result elif len1 == 0 and len2 == 0: return result else: if len1 == 0: return List2 else: return List1 def intersection(self, List1, List2): len1 = self.length(List1) len2 = self.length(List2) result = [] if len1 != 0 and len2 != 0: for i in range(len1): ele = List1[i] if self.isPresent(List2, ele): result.append(ele) return result else: return result def difference(self, List1,List2): len1 = self.length(List1) len2 = self.length(List2) result = [] if len1 == 0 and len2 == 0: return result elif len1 == 0: return result else: for i in range(len1): ele = List1[i] if self.isPresent(List2, ele): continue else: result.append(ele) return result A1 = Set() print("Enter details of students in class") sample = A1.genSet() print("Enter Mango students") mango = A1.genSet() print("Enter grapes students") grapes = A1.genSet() print("Enter oranges students") oranges = A1.genSet() print() print("Mango: ", mango) print("Grapes: ", grapes) print("Oranges: ", oranges) print() print("Students who like both mango and grapes-") inter = A1.intersection(mango, grapes) print(inter) print() print("Students who like either mango or grapes but not both-") inter = A1.intersection(mango, grapes) union = A1.Union(mango, grapes) diff = A1.difference(union, inter) print(diff) print() print("Students who like neither mango nor grapes-") diff = A1.difference(sample, union) print(diff) print() print("Number of students who like mango and oranges but not grapes-") inter = A1.intersection(mango, oranges) diff = A1.difference(inter, grapes) print(A1.length(diff))