Implement a function calc, which takes a string expression that contains a simple mathematical expression in prefix notation operator x y (an addition, subtraction, multiplication or division). The function should be able to process integers and floats, and return the result as a number. If dividing by zero, a ValueError should be raised. Consider the assertions given below as examples for using calc.

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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d Consider the assertions given be
def calc(expression):
pass
# DO NOT SUBMIT THE LINES BELOW!
#assert calc("+ 1 2") == 3
#assert calc("- 1 2") == -1
#assert calc("* 1 2") == 2
#assert calc("/ 1 2") == 0.5
#assert calc("* 1 -2") == -2
#assert calc("* 10.5 2") == 21
#assert calc("* -10.5 -2") == 21
you
Transcribed Image Text:d Consider the assertions given be def calc(expression): pass # DO NOT SUBMIT THE LINES BELOW! #assert calc("+ 1 2") == 3 #assert calc("- 1 2") == -1 #assert calc("* 1 2") == 2 #assert calc("/ 1 2") == 0.5 #assert calc("* 1 -2") == -2 #assert calc("* 10.5 2") == 21 #assert calc("* -10.5 -2") == 21 you
ENGLISH
Implement a function calc, which takes a string expression that contains a simple mathematical
expression in prefix notation operator x y (an addition, subtraction, multiplication or division). The function
should be able to process integers and floats, and return the result as a number. If dividing by zero, a
ValueError should be raised. Consider the assertions given below as examples for using calc.
def calc(expression):
Transcribed Image Text:ENGLISH Implement a function calc, which takes a string expression that contains a simple mathematical expression in prefix notation operator x y (an addition, subtraction, multiplication or division). The function should be able to process integers and floats, and return the result as a number. If dividing by zero, a ValueError should be raised. Consider the assertions given below as examples for using calc. def calc(expression):
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