python get key from dictionary code example

Example 1: python get dictionary keys

# To get all the keys of a dictionary use 'keys()'
newdict = {1:0, 2:0, 3:0}
newdict.keys()
# Output:
# dict_keys([1, 2, 3])

Example 2: get function in dictionary

#The get() method in  dictionary returns:
#the value for the specified key if key is in dictionary.
#None if the key is not found and value is not specified.
#value if the key is not found and value is specified.
# value is provided
print('Salary: ', person.get('salary', 0.0))

Example 3: how to get key of a particular value in dictionary python using index

mydict = {'george': 16, 'amber': 19}
print(list(mydict.keys())[list(mydict.values()).index(16)])  # Prints george

Example 4: how to get the value out of a dictionary python3

#!/usr/bin/python3 

dict = {'Name': 'Zara', 'Age': 27}

print ("Value : %s" %  dict.get('Age'))
print ("Value : %s" %  dict.get('Sex', "NA"))

# Value : 27
# Value : NA

Example 5: how to get the value of key in python

print(dict["key"])

Example 6: python get dictionary keys

d = {2:"hello"}
d.values()