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Accenture Lead Data Engineer Interview Questions and Answers
Accenture Lead Data Engineer Interview Experiences
1 interview found
(3 Questions)
- Q1. Given a DataFrame df with columns 'A', 'B','C' how would you group the data by the values in column 'A' and calculate the mean of column 'B' for each group, while also summing the values in column 'C' ?
- Ans.
Group data by column 'A', calculate mean of column 'B' and sum values in column 'C' for each group.
Use groupby() function in pandas to group data by column 'A'
Apply mean() function on column 'B' and sum() function on column 'C' for each group
Example: df.groupby('A').agg({'B':'mean', 'C':'sum'})
- Q2. Explain the difference deepcopy() and copy() methods in Python's copy module. Provide a scenario where you would use deepcopy() over copy().
- Ans.
deepcopy() creates a new object with completely independent copies of nested objects, while copy() creates a shallow copy.
deepcopy() creates a new object and recursively copies all nested objects, while copy() creates a shallow copy of the top-level object only.
Use deepcopy() when you need to create a deep copy of an object with nested structures, to avoid any references to the original object.
Use copy() when you only ...
- Q3. Discuss the concept of Python decorators and provide an example of how you would use decorators to measure the execution time of a function.
- Ans.
Python decorators are functions that modify the behavior of other functions. They are commonly used for adding functionality to existing functions without modifying their code.
Decorators are defined using the @ symbol followed by the decorator function name.
They can be used to measure the execution time of a function by wrapping the function with a timer decorator.
Example: def timer(func): def wrapper(*args, **kwargs...
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Skills evaluated in this interview
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Tejas Ks
Interview Questionnaire
1 Question
- Q1. React life cycle
Anonymous
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Hr
Interview Preparation Tips
D Behera
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. C++ basic
- Q2. Hh
- Q3. Yy
Interview Preparation Tips
Interview Questionnaire
4 Questions
- Q1. Oops concept,
- Q2. Heritance
- Q3. Polyorphis
- Q4. Thread
Interview Preparation Tips
I was interviewed before Sep 2020.
(1 Question)
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
- Q1.
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
- Ans.
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Interview Preparation Tips
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
Skills evaluated in this interview
I applied via Amcat and was interviewed before Jul 2021. There were 2 interview rounds.
Refer R S Agarwal book for apptitude
(1 Question)
- Q1. Write a c program on fractional numbers
- Ans.
A C program to perform arithmetic operations on fractional numbers.
Use float or double data type to store fractional numbers.
Use scanf() to take input from the user.
Perform arithmetic operations like addition, subtraction, multiplication, and division.
Use printf() to display the result.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed before Sep 2019. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Basic programming questions such as Fibonacci, Armstrong and about recursion
- Q2. I gave all answers
Interview Preparation Tips
If you are little bit weak in programming, Don't worry too much, only you have to focus on your communication skill and basic fundamental program and their concepts too.
I applied via Campus Placement and was interviewed before Nov 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Python and Java questions
- Q2. Oops basic interview questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before May 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Basic coding questions
Interview Preparation Tips
Accenture Interview FAQs
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