【人工智能】这python写的有点上头

上一节练习了python的变量，实在是太简单，python中的类型都是弱类型，不用声明具体的类型，变量赋值 ，赋的什么类型的值，变量就是什么类型。本节来看看python中的运算和字符串比较

# Clase en vídeo: https://youtu.be/Kp4Mvapo5kc?t=5665

### Operadores Aritméticos ###

# Operaciones con enteros
print(3 + 4)
print(3 - 4)
print(3 * 4)
print(3 / 4)
print(10 % 3)
print(10 // 3)
print(2 ** 3)
print(2 ** 3 + 3 - 7 / 1 // 4)

# Operaciones con cadenas de texto
print("Hola " + "Python " + "¿Qué tal?")
print("Hola " + str(5))

# Operaciones mixtas
print("Hola " * 5)
print("Hola " * (2 ** 3))

my_float = 2.5 * 2
print("Hola " * int(my_float))

### Operadores Comparativos ###

# Operaciones con enteros
print(3 > 4)
print(3 < 4)
print(3 >= 4)
print(4 <= 4)
print(3 == 4)
print(3 != 4)

# Operaciones con cadenas de texto
print("Hola" > "Python")
print("Hola" < "Python")
print("aaaa" >= "abaa")  # Ordenación alfabética por ASCII
print(len("aaaa") >= len("abaa"))  # Cuenta caracteres
print("Hola" <= "Python")
print("Hola" == "Hola")
print("Hola" != "Python")

### Operadores Lógicos ###

# Basada en el Álgebra de Boole https://es.wikipedia.org/wiki/%C3%81lgebra_de_Boole
print(3 > 4 and "Hola" > "Python")
print(3 > 4 or "Hola" > "Python")
print(3 < 4 and "Hola" < "Python")
print(3 < 4 or "Hola" > "Python")
print(3 < 4 or ("Hola" > "Python" and 4 == 4))
print(not (3 > 4))

 首先运行一下看看结果

运行没问题。

一行行看，加减乘除模

print(3 + 4)
print(3 - 4)
print(3 * 4)
print(3 / 4)
print(10 % 3)
print(10 // 3)
print(2 ** 3)
print(2 ** 3 + 3 - 7 / 1 // 4)

rint(10 // 3)
print(2 ** 3)
print(2 ** 3 + 3 - 7 / 1 // 4)

这三个是什么意思一时没看懂

拼接字符串输出，和数字5转换成字符串拼接

print("Hola " + "Python " + "¿Qué tal?")
print("Hola " + str(5))

数字的比较

print(3 > 4)
print(3 < 4)
print(3 >= 4)
print(4 <= 4)
print(3 == 4)
print(3 != 4)

字符串的比较

# Operaciones con cadenas de texto
print("Hola" > "Python")
print("Hola" < "Python")
print("aaaa" >= "abaa")  # Ordenación alfabética por ASCII
print(len("aaaa") >= len("abaa"))  # Cuenta caracteres
print("Hola" <= "Python")
print("Hola" == "Hola")
print("Hola" != "Python")

语法实在太简单，用的有点上头。就像小学的数学题！！