Kissflow Python Developer Trainee Interview Questions and Answers

Aptitude test

Current affairs

Q1. Puzzle , sql related questions
Add your answer

Coding questions about array and string.

Cosing questions about sql and ds.

Q1. Personal and behavioral questions.
Add your answer

2 questions of DSA medium to hard

Q1. How make a queue using a stack
Ans. 
To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
Answered by AI
Add your answer
Q2. Create a linked list
Ans. 
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
Answered by AI
Add your answer

Easy to medium leetcode questions

The aptitude test was comprising of questions related to qualitative and quantitative reasoning along with basic computer science questions and coding questions also.

Q1. Why are pointers not used in Java but in C and C++ ?
Ans. 
Java has automatic memory management, so pointers are not needed.
• Java has a garbage collector that automatically manages memory.

• Pointers can lead to memory leaks and security vulnerabilities.

• C and C++ are low-level languages that require manual memory management.
Answered by AI
Add your answer
Q2. Types of access modifiers.
Ans. 
Access modifiers control the visibility and accessibility of class members.
• Public: accessible from anywhere

• Private: accessible only within the class

• Protected: accessible within the class and its subclasses

• Default: accessible within the same package
Answered by AI
Add your answer
Q3. Explain polymorphism.
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It is achieved through method overriding and method overloading.

• Examples include function overloading, operator overloading, and inheritance.

• Polymorphism helps in achieving loose coupling and flexibility in code design.
Answered by AI
Add your answer

Q1. Tell me something about yourself.
Add your answer
Q2. Are you wishing to relocate ?
Add your answer
Q3. Do you know about the bond ?
Add your answer

Q1. AWS basic questions were asked
Add your answer
Q2. MongoDB, MySQL basic questions were asked
Add your answer