lesson4

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Validate user input

# oldChar='lOSZ'
# newChar='1052'

def IsNumbersOnly(ustring):
    numbers='0123456789.'

    if ustring=='':
        return False

    for usChar in ustring:
        if usChar not in numbers:
            return False
    return True

# Ask for the closing price and give the stop loss and take profit prices.
# stop loss and take profit in the form reward/risk.
# R:R 2:1 means 2 times the reward for your risk

def GetUserInput(question):
    done=False
    answer=''
    while not done:
        answer=input(question)
        if IsNumbersOnly(answer):
            done=True
        else:
            print("Enter a number.")

    return float(answer)

# Ask for the closing price
# key       = value

closingPrice=GetUserInput("What is the closing price? ")

# Get the risk percentage

risk=GetUserInput("What is the risk percentage (number only)? ")/100
reward=GetUserInput("What is the reward ratio (number only)? ")*risk

stopLoss=closingPrice-(closingPrice*risk)
takeProfit=closingPrice+(closingPrice*reward)

print("Closing Price:",closingPrice)
print("Take Profit:",takeProfit)
print("Stop Loss:",stopLoss)

# Ask user how much they want to buy.
# display how much they will profit or loose.

buyAmount=GetUserInput("How much do you want to buy? ")

win=buyAmount*reward
loss=buyAmount*risk

print("Profit:",win,"Winning Position:",buyAmount+win)
print("Loss:",loss,"Loosing Position:",buyAmount-loss)