Python dictionary comprehension 🕮

Python dictionary comprehension tutorial example explained
#python #dictionary #comprehension
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dictionary comprehension = create dictionaries using an expression
can replace for loops and certain lambda functions
# dictionary = {key: expression for (key,value) in iterable}
dictionary = {key: expression for (key,value) in iterable if conditional}
dictionary = {key: (if/else) for (key,value) in iterable}
dictionary = {key: function(value) for (key,value) in iterable}
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cities_in_F = {'New York': 32, 'Boston': 75, 'Los Angeles': 100, 'Chicago': 50}
cities_in_C = {key: round((value-32)*(5/9)) for (key,value) in cities_in_F.items()}
print(cities_in_C)
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weather = {'New York': "snowing", 'Boston': "sunny", 'Los Angeles': "sunny", 'Chicago': "cloudy"}
sunny_weather = {key: value for (key,value) in weather.items() if value == "sunny"}
print(sunny_weather)
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