def add(a,b):
return a+b
def subtract(a,b):
return a-b
def multiply (a,b):
return a*b
def divide(a,b):
try:
return a/b
except Exception as e:
print(e)
def power(a,b):
return a**b
def remainder(a,b):
return a%b
def select_op(choice):
if (choice == '#'):
return -1
elif (choice == '$'):
return 0
elif (choice in ('+','-','*','/','^','%')):
while (True):
num1s = str(input("Enter first number: "))
print(num1s)
if num1s.endswith('$'):
return 0
if num1s.endswith('#'):
return -1
try:
num1 = float(num1s)
break
except:
print("Not a valid number,please enter again")
continue
while (True):
num2s = str(input("Enter second number: "))
print(num2s)
if num2s.endswith('$'):
return 0
if num2s.endswith('#'):
return -1
try:
num2 = float(num2s)
break
except:
print("Not a valid number,please enter again")
continue
result = 0.0
last_calculation = ""
if choice == '+':
result = add(num1, num2)
elif choice == '-':
result = subtract(num1, num2)
elif choice == '*':
result = multiply(num1, num2)
elif choice == '/':
result = divide(num1, num2)
elif choice == '^':
result = power(num1, num2)
elif choice == '%':
result = remainder(num1, num2)
else:
print("Something Went Wrong")
last_calculation = "{0} {1} {2} = {3}".format(num1, choice, num2, result)
print(last_calculation )
else:
print("Unrecognized operation")
while True:
print("Select operation.")
print("1.Add : + ")
print("2.Subtract : - ")
print("3.Multiply : * ")
print("4.Divide : / ")
print("5.Power : ^ ")
print("6.Remainder: % ")
print("7.Terminate: # ")
print("8.Reset : $ ")
print("8.History : ? ")
choice = input("Enter choice(+,-,*,/,^,%,#,$,?): ")
print(choice)
if(select_op(choice) == -1):
print("Done. Terminating")
exit()
What I have tried:
No past calculations to show"