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April 2, 2023 11:50
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Python in 99 seconds
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| # Variables | |
| x = 5 | |
| y = 1.5 | |
| name = "John" | |
| is_active = True | |
| # Conditionals | |
| if x > y: | |
| print("x is greater than y") | |
| elif x < y: | |
| print("x is less than y") | |
| else: | |
| print("x is equal to y") | |
| # For loop | |
| for i in range(5): | |
| print(i) | |
| # While loop | |
| counter = 0 | |
| while counter < 5: | |
| print(counter) | |
| counter += 1 | |
| # Functions | |
| def greet(name): | |
| print("Hello, " + name + "!") | |
| greet("Alice") | |
| # Lists | |
| my_list = [1, 2, 3] | |
| my_list.append(4) | |
| my_list.remove(1) | |
| print(my_list) | |
| # Tuples | |
| my_tuple = (1, 2, 3) | |
| # Dictionaries | |
| my_dict = {'a': 1, 'b': 2} | |
| print(my_dict['a']) | |
| # Modules | |
| import math | |
| print(math.sqrt(9)) | |
| # Error handling | |
| try: | |
| print(10 / 0) | |
| except ZeroDivisionError: | |
| print("Cannot divide by zero!") | |
| # Classes | |
| class Person: | |
| def __init__(self, name, age): | |
| self.name = name | |
| self.age = age | |
| def introduce(self): | |
| print("My name is " + self.name + " and I am " + str(self.age) + " years old.") | |
| person = Person("Bob", 30) | |
| person.introduce() | |
| # File I/O | |
| with open("example.txt", "w") as file: | |
| file.write("This is an example.") | |
| with open("example.txt", "r") as file: | |
| print(file.read()) | |
| # Working with os module | |
| import os | |
| print(os.listdir()) |
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