# Use single quotes greeting = "Hello there!" print(greeting) # Use double quotes welcome = "Welcome to Real Python!" print(welcome) # Use triple quotes message = """Thanks for joining us!""" print(message) # Escape characters escaped = "can't" print(escaped) not_escaped = "can't" print(not_escaped) print("Happy" + " " + "pythoning!") mensaje1 = "Hola" + " " + "Mundo" print(mensaje1) mensaje2a = "Hola " * 3 mensaje2b = "Mundo" print(mensaje2a + mensaje2b) mensaje3 = "Hola" mensaje3 += " " mensaje3 += "Mundo" print(mensaje3) print(len("Happy pythoning!")) print(" ".join(["Happy", "pythoning!"])) print("Happy pythoning!".upper()) print("HAPPY PYTHONING!".lower()) name = "John Doe" age = 25 print("My name is {0} and I'm {1} years old".format(name, age)) name = "John Doe" age = 25 print(f"My name is {name} and I'm {age} years old") welcome = "Welcome to Real Python!" print(welcome[0]) print(welcome[11]) print(welcome[-1]) print(welcome[0:7]) print(welcome[11:22]) print("This string contains a single quote (') character.") print('This string contains a double quote (") character.') print("This string contains a single quote (') character.") print('This string contains a double quote (") character.') print("""This string has a single (') and a double (") quote.""") print( """This is a string that spans across several lines""" ) print( "a\ b\ c" ) print("foo\\bar") print("foo\tbar") print("a\tb") print("a\141\x61") print("a\nb") print("\u2192 \N{rightwards arrow}") print("foo\nbar") print(r"foo\nbar") print("foo\\bar") print(R"foo\\bar") # Split string with multiple delimiters import re print(re.split("\W+", "Hello,world;a:test")) mensaje5 = "Hola Mundo" mensaje5a = mensaje5.find("Mundo") print(mensaje5a) mensaje6 = "Hola Mundo" mensaje6a = mensaje6.find("ardilla") print(mensaje6a) mensaje7 = "HOLA MUNDO" mensaje7a = mensaje7.lower() print(mensaje7a) mensaje8 = "HOLA MUNDO" mensaje8a = mensaje7.replace("L", "pizza") print(mensaje8a) mensaje9 = "Hola Mundo" mensaje9a = mensaje9[1:8] print(mensaje9a) mensaje9 = "Hola Mundo" startLoc = 2 endLoc = 8 mensaje9b = mensaje9[startLoc:endLoc] print(mensaje9b) cadena = "Programa en Python" print(cadena[0:8:1]) print(cadena[12:18:1]) x = " Programa en Python 3 " print(x.upper()) print(x.lower()) print(x.title()) print(x.replace("E", "e")) print(x.lstrip()) print(x.rstrip()) from math import pi print("El numero pi es {}".format(pi)) print("El numero pi es {n:1.4f}".format(n=pi))