Jethro Tull created the seed drill, and improved plough.
Hope it helps
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.")
Instead of having to write multiple pieces of code for different outcomes, you can use an elseif statement and make your code easier to read and easier to understand.
A quick way to restore the arrow pointer after you have used it for drawing is to press the esc key. The esc key is <span>used for any of the different </span>functions<span>, as to interrupt or cancel the current process or running program, or to close a pop-up window.</span>
