printing python dictionary values
#print keys and values from the dictionary
for k, v in dic.items():
print(k, v)printing python dictionary values
#print keys and values from the dictionary
for k, v in dic.items():
print(k, v)python dictionary
#Creating dictionaries
dict1 = {'color': 'blue', 'shape': 'square', 'volume':40}
dict2 = {'color': 'red', 'edges': 4, 'perimeter':15}
#Creating new pairs and updating old ones
dict1['area'] = 25 #{'color': 'blue', 'shape': 'square', 'volume': 40, 'area': 25}
dict2['perimeter'] = 20 #{'color': 'red', 'edges': 4, 'perimeter': 20}
#Accessing values through keys
print(dict1['shape'])
#You can also use get, which doesn't cause an exception when the key is not found
dict1.get('false_key') #returns None
dict1.get('false_key', "key not found") #returns the custom message that you wrote
#Deleting pairs
dict1.pop('volume')
#Merging two dictionaries
dict1.update(dict2) #if a key exists in both, it takes the value of the second dict
dict1 #{'color': 'red', 'shape': 'square', 'area': 25, 'edges': 4, 'perimeter': 20}
#Getting only the values, keys or both (can be used in loops)
dict1.values() #dict_values(['red', 'square', 25, 4, 20])
dict1.keys() #dict_keys(['color', 'shape', 'area', 'edges', 'perimeter'])
dict1.items()
#dict_items([('color', 'red'), ('shape', 'square'), ('area', 25), ('edges', 4), ('perimeter', 20)])how to print a value from a dictionary in python
dictionary={
"Jeff":{
"lastname":"bobson",
"age":55,
"working":True
},
"James":{
"lastname":"Bobson",
"age":34,
"working":False
}
}
# For a good format:
for i in dictionary:
print(i, ":")
for j in dictionary[i]:
print(" ", j, ":", dictionary[i][j])
print()
# Output:
Jeff :
lastname : bobson
age : 55
working : True
James :
lastname : Bobson
age : 34
working : False
# For just a quick reading:
for k, v in dictionary.items():
print(k, v)
# Output:
Jeff {'lastname': 'bobson', 'age': 55, 'working': True}
James {'lastname': 'Bobson', 'age': 34, 'working': False}Copyright © 2021 Codeinu
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