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Ugo [173]
3 years ago
15

Write 3 functions in the starter code below such that: add_to_dict(): takes a dictionary, a key, a value and adds the key,value

pair to the dictionary. If key is already in dictionary then it displays the error message: "Error. Key already exists.". Returns dictionary. remove_from_dict(): takes a dictionary and key and removes the key from the dictionary. Returns dictionary. If no such key is found in the dictionary then it prints: "No such key exists in the dictionary.". Hint: Use try-except. find_key(dictt, key): takes dictionary and key and prints value corresponding to the key from the dictionary: print("Value: ", value). If key is not found, then prints: "Key not found." Hint: Use try-except
Computers and Technology
1 answer:
shepuryov [24]3 years ago
4 0

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.")

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