test02_variable.py

name = "hello"
online = True
age = 20
price = 6.3
print(name, online, age, price)
print(name[0:2])
print(type(name), type(online), type(age), type(price))

new_price = float("3")
print(new_price, type(new_price))

array = [1, 2, 3, 4, 5, 6]
print(len(array))
print(array[0], array[1])

my_dict = {"a": 1, "b": 2, "c": "hello"}
print(my_dict["a"])
my_dict["a"] = 100
print(my_dict)