Python Syntax

Python syntax refers to the set of rules that define how a Python program is written and interpreted.

Python has a simple, statement-based syntax. However, there are a few properties you need to know about.

Statements execute one after another, until you say otherwise.

There are no braces or begin/end delimiters around blocks of code in Python. Instead, Python uses the indentation of statements under a header to group the statements in a nested block.

Python statements are not normally terminated with semicolons.

1. Case Sensitivity

Python is case-sensitive, meaning that Var and var are treated as different identifiers.

2. Indentation

Indentation is used to define the structure of code blocks like functions, loops, and conditionals.

Python does not use curly braces {} or keywords like begin/end; it relies on consistent indentation.


if x > 2:
    print("x is greater than 2")

3. Comments

Single-line comments start with a # symbol.


# This is a single-line comment

Multiline comments can be done using triple quotes ‘ ‘ ‘or”””:


'''
This is a
multi-line comment
'''

4. Variables

Variables do not need to be declared with a specific type.

Python dynamically assigns types based on the value assigned.


x = 20      # Integer
y = 5.67    # Float
name = "John"  # String

Python Tutorial – Interview Questions

Q 1: What is Python syntax?

Ans: Python syntax defines the rules for writing valid Python code.

Q 2: Does Python use braces {}?

Ans: No, Python uses indentation instead of braces to define code blocks.

Q 3: Is Python syntax case-sensitive?

Ans: Yes, Python treats uppercase and lowercase letters differently.

Q 4: What is indentation in Python?

Ans: Indentation is the spacing used to group statements into blocks.

Q 5: Does Python require semicolons?

Ans: No, semicolons are not required in Python.