Library Routines (Cambridge (CIE) O Level Computer Science)

Random numbers

RANDOM(1,6)

import random

number = random.randint(1,10)

number = random.randint(-1.0,10.0)

Random choice

import random

choice = random.choice()

# importing random library
import random

# asking user to enter a username and password
user = input("Enter a username: ")
pw = input("Enter a password: ")

# checking if the user and password are correct
if user == "admin" and pw == "1234":
    # generating a random 4-digit code
    code = random.randint(1000, 9999)
    
    # printing the code
    print("Your code is", code)
else:
    print("Invalid username or password.")

import random

# Create a list of numbers for the national lottery
lottery_numbers = list(range(1, 50))

# Create an empty list to store the chosen numbers
chosen_numbers = []

# Loop to pick 6 numbers from the list
for _ in range(6):
    # Use random.choice to pick a number from the list
    number = random.choice(lottery_numbers)

    # Add the chosen number to the list of chosen numbers
    chosen_numbers.append(number)

    # Remove the chosen number from the list of available numbers
    lottery_numbers.remove(number)

# Sort the chosen numbers in ascending order
chosen_numbers.sort()

# Output the chosen numbers
print("The winning numbers are:", chosen_numbers)

Round

Cost ← 1.9556
OUTPUT ROUND(Cost,2)
# Outputs 1.95

number = 3.14159 rounded_number = round(number, 2)
print(rounded_number)
# Outputs 3.14