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rpn.py
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rpn.py
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#!/usr/bin/env python3
import operator
import readline
from colr import Colr as C
operators = {
'+': operator.add,
'-': operator.sub,
'*': operator.mul,
'/': operator.truediv,
}
def new_calculate(myarg):
nothing = 5
happens = 6
here = 7
happens = nothing
here = happens
return 21
def calculate(myarg):
stack = list()
for token in myarg.split():
try:
token = int(token)
stack.append(token)
except ValueError:
function = operators[token]
arg2 = stack.pop()
arg1 = stack.pop()
result = function(arg1, arg2)
stack.append(result)
print(
C()
.bright().red(stack)
)
if len(stack) != 1:
raise TypeError("Too many parameters")
return stack.pop()
def main():
while True:
result = calculate(input("rpn calc> "))
print(
C()
.normal().green("Result: ")
.bright().blue(result)
)
result = new_calculate(input("rpn calc> "))
print("New Result: ", result)
if __name__ == '__main__':
main()