python find key in dictionary code example
Example 1: check if dict key exists python
d = {"key1": 10, "key2": 23}
if "key1" in d:
print("this will execute")
if "nonexistent key" in d:
print("this will not")
Example 2: python check if key exists
# You can use 'in' on a dictionary to check if a key exists
d = {"key1": 10, "key2": 23}
"key1" in d
# Output:
# True
Example 3: how to know if a key is in a dictionary python
dict = {"key1": 1, "key2": 2}
if "key1" in dict:
Example 4: python check if key exists
d = {"apples": 1, "banannas": 4}
# Preferably use .keys() when searching for a key
if "apples" in d.keys():
print(d["apples"])
Example 5: python how to check if a dictionary key exists
if word in data:
return data[word]
else:
return "The word doesn't exist. Please double check it."
Example 6: 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!")