d = {"key1": 10, "key2": 23} if "key1" in d: print("this will execute") if "nonexistent key" in d: print("this will not")
>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'} >>> 'one' in d.values() True
# You can use 'in' on a dictionary to check if a key exists d = {"key1": 10, "key2": 23} "key1" in d # Output: # True
if word in data: return data[word] else: return "The word doesn't exist. Please double check it."
d = {"apples": 1, "banannas": 4} # Preferably use .keys() when searching for a key if "apples" in d.keys(): print(d["apples"])