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calculator.py
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calculator.py
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import argparse
#Addition function
def add(a,b):
val = a+b
return val
#Subtraction function
def sub(a,b):
val = a-b
return val
#Division function
def div(a,b):
val = a/b
return val
#Multiplication function
def multi(a,b):
val = a*b
return val
#Main function
def Main():
#reate the parser
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group()
##adding the argument
#help menu
group.add_argument("-fa","--fadd",help="Performs addition",action="store_true")
group.add_argument("-fs","--fsub",help="Performs subtraction",action="store_true")
group.add_argument("-fd","--fdiv",help="Performs division",action="store_true")
group.add_argument("-fm","--fmulti",help="Performs multiplication",action="store_true")
parser.add_argument("num1",help="Number1 to calculate",type=int)
parser.add_argument("num2",help="Number2 to calculate",type=int)
#parse the argument
args = parser.parse_args()
#Optional arguments
if args.fadd:
print("The addition result of {} and {} is {}".format(args.num1,args.num2,(add(args.num1,args.num2))))
elif args.fsub:
print("The subtraction result of {} and {} is {}".format(args.num1,args.num2,(sub(args.num1,args.num2))))
elif args.fdiv:
print("The division result of {} and {} is {}".format(args.num1,args.num2,(div(args.num1,args.num2))))
elif args.fmulti:
print("The multiplication result of {} and {} is {}".format(args.num1,args.num2,(multi(args.num1,args.num2))))
else:
print("Error:Requires an argument to perform an action")
if __name__ == '__main__':
Main()