Become Experts in Python | Exercises | Projects | Quiz

Master Python conditional statements to control code flow by evaluating test expressions with if, elif, and else, mastering indentation and nested conditions for robust decision making.

Learn Python's comparison operators, which compare values to return true or false and enable conditional statements with equal to, not equal to, greater than, and less than or equal to.

Learn how to combine conditions with the three logical operators and, or, and not to build complex boolean expressions and evaluate truth values in Python.

Learn to combine Python comparison and logical operators to form complex conditional expressions using and, or, and not. See examples like driving eligibility, discounts, and inclusive range checks.

Learn loops in Python, covering for and while loops, iterable objects like lists, tuples, strings, and ranges; master break, continue, and else, plus nested loops and practical examples.

Review section 2 introduces control flow and repetition in Python, covering conditional statements, comparisons, loops, and assignments, plus simple input/output, arithmetic, age classification, a calculator, fizzbuzz, and related tasks.

Explore lists in Python as ordered, mutable containers that hold duplicates and heterogeneous data. Access, modify, and manipulate them with indexing, append, insert, remove, delete, and nested lists.

Learn to access and modify Python list elements with zero-based indexing, positive and negative indices, and the index() method for first occurrences.

Master Python list slicing by using start inclusive, end exclusive, and an optional step to extract sublists, with defaults, reverse slicing, copying, and modifying via slices.

Learn how to modify lists in Python by appending, extending, inserting, slicing, and removing elements, as well as clearing and using list comprehensions to create new lists.

Recap of level 3 covers Python data types, variables, strings, lists, tuples, dictionaries, sets, and conditionals, with examples of operators, slicing, methods, and basic data manipulation.

Master loops in Python with for and while loops, range, and list iteration. Explore break, continue, pass, nested loops, and practical examples like summing even numbers and reversing strings.

Learn to create functions in Python by defining with def, distinguishing built-in and user-defined functions, using parameters (including default and *args), returning values, and formatting with f-strings.

Learn recursion in Python by defining self-referential functions, explore factorial and guess examples, and apply base cases and recursive calls to solve problems.

Learn lambda functions in Python, anonymous one-line helpers, and the map function to apply a function to each iterable item, with Celsius to Fahrenheit and arithmetic examples.

Learn to read and write text files in Python using the open function, read, read line, and partial reads. Practice writing, appending, and updating file content with real examples.

Learn to use Google Colab with a Gmail account as an online Python workspace, create and rename a notebook, and run basic arithmetic and string operations with print statements.

Exercise 2 shows how updating a causes b and c to reflect the latest value. Initialize a as 100, then 300, so b and c become 300.

Learn how to use Python comments, including single-line starting with a hash and multi-line using triple quotes, and see hello world printed in Google Colab with syntax highlighting.

Learn to use Python's input and print functions, print hello world, collect a name, and convert inputs to integers with int() or to floats with float() for summing numbers.

Explore Python arithmetic by executing addition, subtraction, multiplication, division, floor division, and exponent operations, typing and running code to understand each operator's behavior.

Compute e from the Einstein equation e = m c^2 by defining m and c, calculating e as m times c times c, and printing the result.

Ask two integers from the user and compute their average using a and b, then run code to see 22 and 60 yield 40.0, illustrating practice with commas and parentheses.

Convert user inputs to float to handle decimals, perform arithmetic operations including addition, subtraction, multiplication, division, and modulus, and compute the average of two numbers with the result in float.

Calculate area and circumference of a circle by taking radius input from the user, converting it to float, and printing results using pi r^2 and 2 pi r.

learn python arithmetic with standard operators and augmented assignments like a += b, a -= b, a *= b, and a // b, print results for a=9 and b=2.

Explore relational operators in Python, including <, >, <=, >=, ==, and !=, with a=9 and b=2 to determine true or false.

Explore using terminator functions in Python to print messages like hello world and welcome text. Learn to place prints on one line with a semicolon and see the output.

Learn Python indentation and if-else logic by comparing two variables, a and b, and practice printing messages for when a is greater than, less than, or equal to b.

Explore global and local variable scopes, print and manipulate variables such as a=32, name used as a string, num=23.3, and male=true, and evaluate simple conditional logic with d=c*b.

Explore Python's dynamic typing by declaring variables without explicit types, see automatic type inference for integers, floats, and strings, and compare with explicit declarations in C and C++.

Learn Python variable naming rules: no spaces, cannot start with a number, and use underscores to join words (for example first_name). Respect case sensitivity, and avoid reserved words like f.

Explore Python data types, including mutable lists and immutable tuples, as well as strings and sets, with hands-on printing and indexing demonstrations.

Create and manipulate text based data types by using variables and string concatenation. Practice printing and observing outputs to understand string operations and character handling in Python.

Explore the Python set data type by creating a set with curly braces, adding ten, printing the set and its length, and observing that set elements cannot be changed.

Create and explore Python dictionaries by mapping keys to values, printing a name dictionary and iterating dictionary.items() with a for loop to display keys and values.

examine data types in python by identifying integers, floats, and complex numbers and printing each type. the exercise uses variables like num 1234 to show integer, float, and complex results.

Explore sequence data types by using lists, tuples, ranges, and strings. Practice positive and negative indexing to print specific elements, and apply stepwise ranges to print selective numbers and letters.

Generate a Python program to print even and odd numbers from 1 to 100 by using range and modulus to classify numbers as even or odd.

Write a Python program to get five numeric elements from the user, store them in a list by appending each item, and print the resulting list.

Explore Python dictionaries by learning keys, values, and items; add an id, name, class, and contact entry, then print the dictionary, its keys, values, and items to reinforce mastery.

Iterate a dictionary with a for loop to print keys, values, and items using d.items(), d.keys(), and d.values(). See a simple, step-by-step Python exercise build confidence.

Learn to create and print dictionaries in Python: start with an empty dictionary, add keys and values, print the name key (Ashish Pandit), and print the full dictionary.

This exercise teaches Python lists, including creating a nested list, accessing elements by index, concatenating lists, and checking membership with for loops and boolean results.

Learn the Python set data structure through practical examples, including difference, symmetric difference, union, and intersection, and understand iterating and the distinction between empty sets and dictionaries.

Explore Python tuples through practical exercises, accessing elements with negative indices, iterating over nested tuples, and understanding tuple immutability by attempting item assignment and creating new tuples.

Practice Python dictionary operations with a sample dictionary, using get, items, keys, values, pop, and update, and demonstrate copy and clear while tracking age changes from 20 to 29.

Explore Python list operations by applying append, remove, clear, copy, count, index, insert, pop, maximum, minimum, and reverse, then print results and determine the length.

Explore Python set methods like add, copy, discard, remove, and pop, and learn the key differences between discard and remove, plus subset and superset checks.

Explore Python tuple operations, including index, count, max, min, and length, plus deleting and printing tuples, with a Colab tip on commenting lines using control and division or cmd+.

Learn to write a Python program that collects five integers from a user, stores them in a list with append, and prints the list and their sum.

Read five integers from user input, store them in a tuple, and multiply all numbers to produce and display the final product.

Store five user-entered integers in a set and compute their sum by iterating over the set with a for loop, then print the total.

Explore how and, or, and not determine outcomes in Python by evaluating multiple conditions. Illustrate true/false results and the effect of not, with practical examples using a, b, and c.

Compute the triangle area with Heron's formula by calculating s = (a + b + c) / 2, then area = sqrt(s*(s-a)*(s-b)*(s-c)), and print s and the area.

Read two numbers as floats, compare them to find the maximum, and print whether x is less than y, or x is greater than y, or they are equal.

Write a Python program that checks voting eligibility by comparing age to 18. It prints your age and whether you are eligible for voting.

In exercise 42, classify a character as alphabet, digit, or space, and print the result; if none fit, label it as a special character.

Develop a simple Python program that prompts for input, uses the modulo operator to check if a number is divisible by two, and prints whether it is even or odd.

Determine vowels or consonants by validating a single alphabet character with if statements against both uppercase and lowercase vowels entered by the user.

Write a Python program that reads a year and determines if it is a leap year using divisibility by four, 100, and 400. Demonstrate with 2024, 2400, and 2025.

Check if a single input character is an alphabet by testing ranges 'a'-'z' or 'A'-'Z'. Return whether it is alphabet or not.

Learn to print numbers 1 to n or a user-defined range in Python, with inclusive start and exclusive end, newline handling, and steps of four.

Write a program that classifies a user-entered float as positive, zero, or negative using if-else checks for number >= 0 and number == 0.

Compare two user-entered numbers by converting them to floats, then print which value is larger or declare they are the same, supporting decimal inputs.

Display numbers from 1 to n using a user-specified step. Learn to print sequences such as 1, 4, 7, up to the limit, finishing with a newline.

Write a Python program that prints hello six times by initializing x to 0, looping while x is less than six, printing hello and then incrementing x.

Demonstrates summing the first n natural numbers with a while loop, iterating i from 1 and accumulating total, then printing the result (55 for n=10, 1830 for n=60).

Write a simple Python program that prints numbers 1 through 9 with a range up to ten, prints each on a new line using the backslash n escape, showing 0123456789.

Create a simple Python program that uses a while loop to increment a counter i until four, printing i each time and finally printing no break.

Explore lists and index access in Python by practicing variable storage and retrieving items with positive and negative indices, using a sample list of Ram, Jai, and Pavan.

Count digits of a user input number by repeatedly applying floor division by ten and incrementing a counter until the number becomes zero, then print the digit count.

Learn to define two Python functions to find the maximum and minimum of two numbers using if-else logic, take user inputs, and verify results with a practical demo.

Implement a Python factorial program with input validation for positive integers and an iterative loop from 1 to n to compute and display factorial results.

Learn how to use break in a Python for loop with range(1, 10); when i reaches five, the loop stops, printing 1 to 4, illustrating the end is exclusive.

Learn how to use the continue statement to skip specific values in a sequence, such as 5 and 7 with multiple if conditions, producing 1-4, then 6-9.

Write a Python program that prompts for a number and prints each term with its cube, using a while loop to display numbers from 1 to num and their cubes.

Write a program that sums the digits of a given integer by initializing total to zero and repeatedly taking the remainder with ten and dividing by ten.

Create a Python program that defines cube and square functions, prompts for a number, and prints its cube and square.

Write a Python program that prompts for an integer and prints its multiplication table from 1 to 10 using a loop, with option to step by two to reach 30

Define an iterative factorial function, validate non-negative input, multiply from 1 to n to compute the product, and print the factorial result for a given number.

Define a simple Python function that takes two numbers, converts them to float, returns their sum, and displays the result with an f-string.

Explore local and global variables in Python by showing how a function uses a local x versus the global x, and how print statements reveal their scope and interaction.

Explore computing a number's cube using nested functions in Python. Define cube and square, with square defined inside cube, then print the result for a given input.

Explore McCarthy's 91 function and recursion by implementing a Python recursive function that computes and prints 91, illustrating how self-calls determine the result.

Write a function that multiplies a list of numbers by starting total at 1 and updating with total *= x, then print the product, which handles negative numbers.

Define a recursive factorial function to compute n!, with base cases n equals 0 or 1 and return n * factorial(n-1); demonstrate with n = 4 resulting in 24.

Import the pi value from the math module and print it to display pi, showing a simple Python program that outputs 3.14 and the digits that follow.

Explore nested functions in Python by defining square and cube functions and printing their results for a given value.

Import pi from the math module and define a Python function to compute circle circumference by returning two pi r after reading the radius input.

Use the math module’s pi to compute the circle area with area equals pi r square, and input a radius as a float to see the area change.

Write a simple python program that imports pi from the math module, reads the radius from user input, computes pi times radius squared, and prints the area.

Get hands-on with Python math module by importing sqrt, taking a float input, and printing the square root of the entered number, as shown with 16 yielding 4.

Explore the Python math module, import math, and use functions like sqrt, ceil, floor, and log, plus pi and e; note cmath for complex numbers.

Learn how to use the Python math module to compute powers with math.pow, demonstrating that four raised to two equals sixteen.

Practice creating a Python program that prints a table of squares from 1 to 5, using tab spacing and formatted output to align columns.

Create a simple interactive Python exercise that prompts for a name and age and prints a greeting such as 'Hi name, your age is age'.

Practice beginner Python by prompting for name and age, converting age to int, printing the age type, and using an if statement to determine voting eligibility and years until 18.

Enter two integers as user input and perform addition, subtraction, multiplication, division, and modulus in a simple program, illustrated with 22 and 30.

Learn to find the union of two numbers from a list in Python, avoid repetition, and print the resulting union as c.

Practice computing the intersection of two sets to identify common elements and print the result, continuing from the previous union example.

Explore Python set difference with the difference method and the minus operator to return elements in the first set, not in the second, and use difference_update for in-place changes.

Build a simple Python program that accepts a user input number and prints its multiplication table from 1 to 10 using a loop and print statements.

Learn to find the maximum of two integers in Python by converting inputs to integers, comparing n1 and n2, and printing the larger value.

Build a star pattern in Python using a nested for loop and range, printing increasing rows of stars from one to fifteen with appropriate string handling.

Validate a user password by allowing only alphanumeric input and rejecting spaces or special characters, using an isalnum check to print 'password is okay' or an error message.

Collect six numbers from user input, store them in a list, and display both their sum and their product.

Collect six user inputs into a list using a for loop and append, display the list, clear it with list.clear, then print the message and show the now empty list.

Watch the instructor run a Python program to demonstrate addition, subtraction, multiplication, division, and modulus, guiding you through how inputs like 10 or 105 produce results.

demonstrates using the tab character to create spaces and align output, printing letters A through P across lines with tab separators; shows writing tab in lowercase and running the code.

Store user info in a dictionary with keys and values such as name, last name, and contact, print the initial record, then update with user_info_update and print the updated record.

Practice extracting three numbers from user input and evaluate a composite arithmetic expression, illustrating the order of operations, as shown with inputs 20, 30, 40 yielding 7800.0.

The lecture demonstrates collecting five numbers from the user, storing them in a Python array, displaying the five numbers, and computing their sum using the append method and for loops.

A hands-on exercise that collects five numbers from the user into an array, uses two for loops to compare values, and displays the maximum.

Create a Python program that multiplies two integers and returns their product if it is at most 1000; otherwise return their sum.

Practice step shows how to print the current number, the previous number, and their sum in Python while iterating through the first ten numbers with a for loop and range.

Print characters at even indices from a user-provided string in Python, using a for loop with range or list slicing, and calculate length to drive the iteration.

Learn to remove the first n characters from a string using Python string slicing with colon notation, via a remove_characters function that returns the substring after the first n characters.

Learn how to check if a list's first and last numbers are the same in Python by indexing [0] and [-1], comparing with equality, and printing the boolean result.

Explore Python basics by filtering a list to show numbers divisible by five using a for loop and modulus check, with optional user input.

Explore counting substring occurrences in Python using the count function, including case sensitivity and counting python and language in a sample string.

Learn to print a number pattern in Python using nested loops, where each row prints its number repeated that many times with spaces and line breaks.

learn to determine if a number is a palindrome by reversing digits with math or string methods, comparing to the original, with examples like 121 and 125.

Learn a Python method for checking palindromic numbers, including handling negatives, converting to strings, reversing with slicing [::-1], and comparing to return true or false.

Merge two lists by taking odd numbers from the first and even numbers from the second into a new list. Use a for loop, append qualifying values, and return result.

Extract digits of a number in reverse order by using modulus to obtain the last digit and integer division to remove it, printing digits separated by spaces.

Discover NumPy, the numerical Python library, and its ndarray for multi-dimensional arrays. Access fast array operations for linear algebra, statistics, reshaping, slicing, and random simulations.