CGI Group Python Software Developer Interview Questions and Answers

30mins on diff python and flask

Q1. Data structures
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Q2. Object orientation
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Q1. What is a one-line function?
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A one-line function is a function written in a single line of code, typically used for simple operations.
• One-line functions are concise and easy to read, often used for simple tasks like mathematical operations or string manipulation.

• They are commonly used in lambda functions in Python.

• Example: lambda x: x**2
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Q2. What is polymorphism in OOps?
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Polymorphism in OOPs refers to the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to represent different data types.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: In Python, the '+' operator can be us...read more
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Q3. Remove duplicates from the table.
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Use SQL query with DISTINCT keyword to remove duplicates from the table.
• Use SELECT DISTINCT column_name FROM table_name to retrieve unique values from a specific column.

• Use DELETE FROM table_name WHERE column_name IN (SELECT column_name FROM table_name GROUP BY column_name HAVING COUNT(*) > 1) to remove duplicates from the table.
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Q4. Join two tables?
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Use SQL JOIN to combine rows from two tables based on a related column between them.
• Use JOIN keyword in SQL to combine rows from two tables based on a related column

• Types of JOINs include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 JOIN table2 ON table1.column = table2.column
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Q1. Ask python programming language and coding as well as some some extra directories.
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Q2. What is mean by monkey patching?
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Monkey patching is a technique in Python where existing code or modules are modified at runtime.
• Monkey patching involves dynamically changing or extending the behavior of a module or class at runtime.

• It can be used to fix bugs, add new functionality, or temporarily change the behavior of existing code.

• Monkey patching can be a powerful tool but should be used carefully to avoid unexpected side effects.

• Example: Adding a ...read more
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Q1. She asking Work experience related and expected CTC etc.
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Q2. Your resume is shortlisted then call back you.
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Q1. Asked about core python and oops concepts like exceptions handling, generator, decorator, list dictionaries inheritance and 2 programs
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Q1. Asked me about my projects and tech stack
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Online coding round . 2 questions.

Q1. Palindrome, prime, flattening the nested list
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Q1. What was the python
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Python is a high-level programming language known for its simplicity and readability.
• Python was created by Guido van Rossum in the late 1980s.

• It is widely used for web development, data analysis, artificial intelligence, and scientific computing.

• Python uses indentation to define code blocks, making it easy to read and write.

• Popular libraries like NumPy, Pandas, and TensorFlow are commonly used in Python for various tas
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