Worksheet 5 - Python Introduction
Printing Output
# Basic printing
print("Hello, World!")
Task: Modify the code to print a personal greeting like "Hello, [Your Name]!"
Additional Challenge: Ask the user for their name and greet them personally.
Bonus Challenge: Modify the program to greet two different names in separate lines.
Input from the User
python Copy code
- Basic input
name = input("Enter your name: ") print("Hello,", name, "!") Task: Ask the user for their age and print it.
Additional Challenge: Write a program that asks for the user’s birth year, calculates their age, and prints it.
Bonus Challenge: Modify the program to ask for the user’s favorite food and print, "Hello [name], who is [age] years old and loves [food]!"
Basic Math Operations
python Copy code
- Basic operations
print(5 + 3) # Addition print(10 - 4) # Subtraction print(7 * 6) # Multiplication print(8 / 2) # Division Task: Create a program that calculates the area of a rectangle (length * width).
Additional Challenge: Ask the user to input the rectangle’s length and width.
Bonus Challenge: Create a calculator that allows the user to choose the operation (addition, subtraction, etc.) they want to perform on two numbers.
3. Variables python Copy code
- Storing and printing variables
name = "Alice" favorite_number = 7 print("My name is", name, "and my favorite number is", favorite_number) Task: Assign a new value to favorite_number and print it out.
Additional Challenge: Prompt the user for their favorite color, store it in a variable, and print a statement like "My favorite color is [color]."
Bonus Challenge: Write a small program that asks for the user’s name and age, then prints a statement with both.
4. Data Types python Copy code
- Assigning different data types
my_string = "Hello" my_integer = 25 my_float = 3.14
print("String:", my_string, type(my_string)) print("Integer:", my_integer, type(my_integer)) print("Float:", my_float, type(my_float)) Task: Create a new variable of type boolean (True/False) and print its type.
Additional Challenge: Write a program that uses an integer and a float and prints their sum.
Bonus Challenge: Ask the user to input a number and print its type.
6. Conditional Statements
python
Copy code
- Basic conditional check
number = int(input("Enter a number: ")) if number > 0:
print("Positive number")
elif number < 0:
print("Negative number")
else:
print("Zero")
Task: Modify the program to check if the number is even or odd.
Additional Challenge: Write a program to check if the input number is divisible by 5.
Bonus Challenge: Add a check to see if the number is a multiple of both 2 and 3.
7. Loops python Copy code
- Printing numbers from 1 to 10
for i in range(1, 11):
print(i)
Task: Print only even numbers from 1 to 10.
Additional Challenge: Write a loop to print numbers from 1 to 10 in reverse order.
Bonus Challenge: Use a loop to calculate the sum of numbers from 1 to 20.
8. Lists python Copy code
- Basic list and printing items
favorite_foods = ["Pizza", "Burgers", "Ice Cream"] for food in favorite_foods:
print(food)
Task: Add a new food item to the list and print all items.
Additional Challenge: Write a program that asks the user for their top 3 favorite movies and stores them in a list.
Bonus Challenge: Create a list of numbers, find the maximum, minimum, and average of the list, and print each.
9. Functions python Copy code
- Basic function
def greet(name):
print("Hello,", name, "!")
greet("Alice") Task: Write a function that calculates the square of a number and returns the result.
Additional Challenge: Write a function to calculate the area of a triangle, given base and height.
Bonus Challenge: Write a function that takes two numbers and returns their sum, difference, product, and quotient.
10. String Manipulation python Copy code
- Convert string to uppercase
sentence = input("Enter a sentence: ") print("Uppercase:", sentence.upper()) Task: Print the sentence in lowercase.
Additional Challenge: Replace all spaces in the sentence with underscores.
Bonus Challenge: Write a program that asks for a word and checks if it’s a palindrome (same forwards and backwards).