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def menu():
print ('Welcome to the calulator')
print ('your options are: ')
print ('" "')
print ('1) Addition ')
print ('2) Subtraction ')
print ('3) Multiplication ')
print ('4) Division ')
print ('5) Quit calculator ')
print ("")
return input ("Choose your option: ")
def add (a, b):
print (a, '+', b, '=' , (a + b))
def sub (a, b):
print (a, '-', b, '=', (a - b))
def mul(a, b):
print (a, '*', b, '=', (a * b))
def div (a, b):
print (a, '/', b, '=', (a / b))
loop = 1
choice = 0
while loop == 1:
choice = menu()
if choice == 1:
add(input("Add this: ", input("to this: "))
elif choice == 2:
sub(input("Subtract this: ", input ("from this: "))
elif choice == 3:
mul(input("Multiply this: ", input ("by this: "))
elif choice == 4:
div(input("Divide this: ", input ("by this: "))
elif choice == 5:
loop = 0
print ('Welcome back')
print ('Welcome to the calulator')
print ('your options are: ')
print ('" "')
print ('1) Addition ')
print ('2) Subtraction ')
print ('3) Multiplication ')
print ('4) Division ')
print ('5) Quit calculator ')
print ("")
return input ("Choose your option: ")
def add (a, b):
print (a, '+', b, '=' , (a + b))
def sub (a, b):
print (a, '-', b, '=', (a - b))
def mul(a, b):
print (a, '*', b, '=', (a * b))
def div (a, b):
print (a, '/', b, '=', (a / b))
loop = 1
choice = 0
while loop == 1:
choice = menu()
if choice == 1:
add(input("Add this: ", input("to this: "))
elif choice == 2:
sub(input("Subtract this: ", input ("from this: "))
elif choice == 3:
mul(input("Multiply this: ", input ("by this: "))
elif choice == 4:
div(input("Divide this: ", input ("by this: "))
elif choice == 5:
loop = 0
print ('Welcome back')
