find key of a value python dict code example

Example 1: find a key in a dictionary python

# How to find a key / check if a key is in a dict

# Easiest way
fruits = {'apple': 2, 'pear': 5, 'strawberry': 3}

if 'apple' in fruits:
	print("Key found!")
else:
  	print("Key not found!")

Example 2: how to get value from key dict in python

# Get a value from a dictionary in python from a key

# Create dictionary
dictionary = {1:"Bob", 2:"Alice", 3:"Jack"}

# Retrieve value from key 2
entry = dictionary[2]

# >>> entry
# Alice