#data examples

#list of tuples of the 9 planets (yes, nine)
#name,radius,density,AU
planets = [("Mercury", 2440, 5.43, 0.395),
           ("Venus",   6052, 5.24, 0.723),
           ("Earth",   6378, 5.52, 1.0),
           ("Mars",    3396, 3.93, 1.53),
           ("Jupiter",71492, 1.33, 5.21),
           ("Saturn", 60268, 0.69, 9.551),
           ("Uranus", 25559, 1.27,19.213),
           ("Neptune",24764, 1.64,30.07),
           ("Pluto",   1188, 1.84,39)]
#good for traversing (by index) and sorting
print(planets)
print(sorted(planets, key=lambda t: t[1]))   #sort by radius

#set of tuples
planets_set ={("Mercury", 2440, 5.43, 0.395),
           ("Venus",   6052, 5.24, 0.723),
           ("Earth",   6378, 5.52, 1.0),
           ("Mars",    3396, 3.93, 1.53),
           ("Jupiter",71492, 1.33, 5.21),
           ("Saturn", 60268, 0.69, 9.551),
           ("Uranus", 25559, 1.27,19.213),
           ("Neptune",24764, 1.64,30.07),
           ("Pluto",   1188, 1.84,39)}
#good for uniqueness and set operations, sets have no order
print(planets_set)
for p in planets_set:
    print(p)


#dictionary. key is planet name. value is a tuple
planets_dict={"Mercury": (2440, 5.43, 0.395),
           "Venus":   (6052, 5.24, 0.723),
           "Earth":   (6378, 5.52, 1.0),
           "Mars":    (3396, 3.93, 1.53),
           "Jupiter":(71492, 1.33, 5.21),
           "Saturn": (60268, 0.69, 9.551),
           "Uranus": (25559, 1.27,19.213),
           "Neptune":(24764, 1.64,30.07),
           "Pluto":   (1188, 1.84,39)}
print(planets_dict["Mars"])   #or .get("Mars")
print(planets_dict["Mars"][1])



speak_digits = {1:"one", 2:"two", 3:"three", 4:"four",5:"five",
                6:"six",7:"seven",8:"eight",9:"nine",0:"zero"}

digit_string = '1239876504'
for digit in [int(c) for c in digit_string]:
    print(speak_digits.get(digit), end=" ")
print()