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Python Python Collections (2016, retired 2019) Dictionaries String Formatting with Dictionaries

Posted by Namrata Lamba
Namrata Lamba
1,347 Points

'name' error

You've used the string .format() method before to fill in blank placeholders. If you give the placeholder a name, though, like in template below, you fill it in through keyword arguments to .format(), like this: template.format(name="Kenneth", food="tacos") Write a function named string_factory that accepts a list of dictionaries as an argument. Return a new list of strings made by using ** for each dictionary in the list and the template string provided.

string_factory.py 
# Example:
# values = [{"name": "Michelangelo", "food": "PIZZA"}, {"name": "Garfield", "food": "lasagna"}]
# string_factory(values)
# ["Hi, I'm Michelangelo and I love to eat PIZZA!", "Hi, I'm Garfield and I love to eat lasagna!"]
template = "Hi, I'm {name} and I love to eat {food}!"
def string_factory(name= None, food= None):
    if name and food:
        return ",".join(template.format(name, food))

string_factory(**{"name" :"Kenneth", "food" : "tacos"})

1 Answer

Ismail KOÇ
Ismail KOÇ
1,748 Points
Ismail KOÇ
Ismail KOÇ
1,748 Points

Before the define this function, you neeed to add values dictionary for ex:

template = "Hi, I'm {name} and I love to eat {food}!"
values = [{"name": "Michelangelo", "food": "PIZZA"}, {"name": "Garlield", "food": "Lasagna"}]

after define values, define function it needs to include values

Write a function named string_factory that accepts a list of dictionaries as an argument. and we will unpack dictionary for return values 

def string_factory(values):
    return [template.format(**x) for x in values]

here python tekes values as argument, doing for loop for get value items (keys and values), then unpacking value of values dictionary with x and return a new list (using .format() method) if you want to how **return included for loop, check out this tutorial