python dictionary contains key code example
Example 1: python check if key exists
d = {"key1": 10, "key2": 23}
"key1" in d
Example 2: python check if key exists
d = {"apples": 1, "banannas": 4}
if "apples" in d.keys():
print(d["apples"])
Example 3: 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 4: check if dict key contains specific key and value
if (key, value) in d.items():
print("yes")
Example 5: python dictionary contains key
if key in dictionary:
print(True)
Example 6: check dictionary has key python
d = {"key1": 10, "key2": 23}
if "key1" in d:
print("this will execute")
if "nonexistent key" in d:
print("this will not")