Paithong for Beginner (Python For Beginner)
This is a simple Python program
It prints “Hello, World!” to the console
print("Hello, World!")
Variables and data types
name = "John"
age = 25
is_student = True
Basic arithmetic operations
num1 = 10
num2 = 5
sum = num1 + num2
difference = num1 - num2
product = num1 * num2
quotient = num1 / num2
Conditional statements
if age >= 18:
print("You are an adult")
else:
print("You are a minor")
Loops
for i in range(5):
print(i)
Functions
def greet(name):
print("Hello, " + name)
greet("Alice")
Lists
fruits = ["apple", "banana", "orange"]
print(fruits[0]) # Output: apple
print(len(fruits)) # Output: 3
Dictionaries
person = {"name": "John", "age": 25, "is_student": True}
print(person["name"]) # Output: John
print(person.get("age")) # Output: 25
File I/O
file = open("data.txt", "w")
file.write("Hello, World!")
file.close()
Exception handling
try:
result = 10 / 0
except ZeroDivisionError:
print("Error: Division by zero")
Modules and libraries
import math
print(math.sqrt(16)) # Output: 4.0
Classes and objects
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
def greet(self):
print("Hello, my name is " + self.name)
person = Person("Alice", 30)
person.greet()
The end
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