check if something is in a dictionary python code example
Example 1: how to know if a key is in a dictionary python
dict = {"key1": 1, "key2": 2}
if "key1" in dict:
Example 2: 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 3: check if a key exists in a dictionary python
d = {"key1": 10, "key2": 23}
if "key1" in d:
print("this will execute")
if "nonexistent key" in d:
print("this will not")
Example 4: how to check if a key is present in python dictionary
dict = { "How":1,"you":2,"like":3,"this":4}
key = "this"
if key in dict.keys():
print("present")
print("value =",dict[key])
else:
print("Not present")