<span>The earlier file format was the .mdb file format. If a person has a file that is stored in the .mdb format and gets a new version of Access or needs an upgrade, he or she may choose not to upgrade due to the fact that he or she will not be able to make design changes to the .mdb file.</span>
Answer:
1. If there is a big table or picture needed to show in a single paper.
2. For showing differences between two things.
3. To have more words to fit in a paper
Explanation:
Yes you do have to program it first.
Answer:
Required code is given below:
Explanation:
def add_to_dict(dictt, key,value):
if key in dictt.keys():
print("Error. Key already exists.")
else:
dictt[key]=value
return dictt
def remove_from_dict(dictt,key):
try:
dictt[key]
dictt.pop(key, None)
return dictt
except KeyError:
print("No such key exists in the dictionary.")
def find_key(dictt,key):
try:
value=dictt[key]
print("Value: ", value)
except KeyError:
print("Key not found.")
