|
Program
|
Output
|
# Create and print a dictionary
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object orinted"
}
print(Ourdict)
|
{'Language': 'Python', 'version': '3.5', 'type': 'object orinted'}
|
# Accessing Items by referring to its key name, inside
square brackets.
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
lang = Ourdict["Language"]
print(lang)
|
Python
|
# print value of a key "model" key
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
lang = Ourdict.get("version")
print(lang)
|
3.5
|
#Program to Change dictionary Values
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
Ourdict["version"] = "3.9"
print(Ourdict)
|
{'Language': 'Python', 'version': '3.9', 'type': 'object oriented'}
|
#Loop a Dictionary and print its keys
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
for x in Ourdict:
print(x)
|
Language
version
type
|
#Loop Dictionary and print its Values
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
for x in Ourdict:
print(Ourdict[x])
|
Python
3.5
object oriented
|
#Loop Dictionary and print its Values
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
for x in Ourdict.values():
print(x)
|
Python
3.5
object oriented
|
#Loop Dictionary and print its keys and Values
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
for x, y in Ourdict.items():
print(x, y)
|
Language Python
version 3.5
type object oriented
|
#Check if Key Exists
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
if "version" in Ourdict:
print("Yes version is a keys in Ourdict dictionary")
|
Yes, 'model' is one of the keys in the thisdict dictionary
|
#Determine Dictionary Length
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
print(len(Ourdict))
|
3
|
#Adding Items to dictionary
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
Ourdict["Advanced"] = "yes"
print(Ourdict)
|
{'Language': 'Python', 'version': '3.5', 'type': 'object oriented',
'Advanced': 'yes'}
|
#Removing Items of a dictionary
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
Ourdict.pop("type")
print(Ourdict)
|
{'Language': 'Python', 'version': '3.5'}
|
#Removing Items from dictionary
Note: pop() removes last item only.
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
Ourdict.popitem()
print(Ourdict)
|
{'Language': 'Python', 'version': '3.5'}
|
#Removing Items from a dictionary using del keyword
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
del Ourdict["version"]
print(Ourdict)
|
{'Language': 'Python', 'type': 'object oriented'}
|
#Removing dictionary using del keyword
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
del Ourdict
|
//print(thisdict) causes
Error because " Ourdict " got deleted.
|
#Clear() to empties the dictionary:
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
Ourdict.clear()
print(Ourdict)
|
{}
|
#Copy a Dictionary using copy() method
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
cpydict = Ourdict.copy()
print(cpydict)
|
{'Language': 'Python', 'version': '3.5', 'type': 'object oriented'}
|
#other way to Copy a Dictionary
Ourdict = {
"Language": "Python",
"version": "3.5",
"type": "object oriented"
}
cpydict = dict(Ourdict)
print(cpydict)
|
{'Language': 'Python', 'version': '3.5', 'type': 'object oriented'}
|
#dict() Constructor
Ourdict = dict(Language="Python", version="305", type="object oriented")
print(Ourdict)
|
{'Language': 'Python', 'version': '3.5', 'type': 'object oriented'}
|