PYTHON

create a dictionary from a list python

fruits = ["Apple", "Pear"]

# Create a dictionary using as keys the values in fruits list
fruit_dictionary = dict.fromkeys(fruits, "In Stock")
print(fruit_dictionary)  # {'Apple': 'In Stock', 'Pear': 'In Stock'}

# Alternatively, dictionary comprehension can be used for same purpose
fruit_dictionary = { fruit : "In stock" for fruit in fruits }
print(fruit_dictionary)  # {'Apple': 'In Stock', 'Pear': 'In Stock'}

creating a dictionary from lists

a = [10,20,30]
b = [100,200,300]
my_dictionary = dict(a=a, b=b)