Question

Explain why this program is giving output :300@100,none@200?
def call(p=40,q=20)
p=p+q
q=p-q
print (p,'@',q)
return p
r=200
s=100
r=call(r,s)
print(r,'@',s)
s=call(s)
print(r,'@',s)

subject computer science
language python.​

Answer 1

Answer:

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