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def main():
#create a dictionary to store teacher's details - such as their subject, hobby, school house, and more
d1={"Name": "Mr Moose","Subject": "Philosophy","Hobby":"Chess","School House":"Red House"}
d2={} #empty dictionary
print(bool(d1)) #dictionaries with data will return TRUE
print(bool(d2)) #empty dictionaries return FALSE
while bool(d2): #change this to d1, and the while loop will execute!
print("Do stuff in the program")
print("Nothing in the Dictionary - cannot proceed, sorry!")
main()