Python Cheat Sheet for Beginners

This Python cheat sheet provides a quick reference for beginners learning Python programming for Data Science and Data Analytics.

1. Variables

name = "Nithya"
age = 25
salary = 50000

2. Data Types

name = "Python"       # String

age = 25              # Integer

price = 99.50         # Float

is_valid = True       # Boolean

3. Lists

numbers = [10, 20, 30, 40]

print(numbers[0])

numbers.append(50)

4. Conditional Statements

age = 20

if age >= 18:
    print("Adult")
else:
    print("Minor")

5. For Loop

for i in range(5):
    print(i)

6. Functions

def add(a, b):

    return a + b

result = add(10, 20)

print(result)

7. Dictionary

student = {
    "name": "Rahul",
    "age": 20,
    "marks": 85
}

print(student["name"])

8. Useful Python Functions

len()
type()
print()
range()
sum()
max()
min()
sorted()

9. Python for Data Science

import numpy as np

import pandas as pd

import matplotlib.pyplot as plt

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