initial commitHEADmain

2 files changed, 48 insertions, 0 deletions

diff --git a/README b/README
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+++ b/README
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+It's a simple calculator written in python for school. It can only do operations between two numbers.
diff --git a/main.py b/main.py
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+++ b/main.py
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+ops = "+-*/^"
+
+def calc(a, b, op):
+    if op == '+':
+        return a + b
+    elif op == '-':
+        return a - b
+    elif op == '*':
+        return a * b
+    elif op == '/':
+        return a / b
+    elif op == '^':
+        return a ** b
+
+help_menu = "'exit' - quit\n'help' - print this menu\nInput two numbers and an operator separated by spaces.\nExample input:  A + B\nAvailable operators: + - * / ^"
+print(help_menu)
+
+while True:
+    instr = input("> ")
+    if instr == "exit":
+        break
+    elif instr == "help":
+        print(help_menu)
+        continue
+    args = instr.split()
+    
+    if len(args) < 3:
+        print("Not enough arguments to perform operation.")
+        continue
+
+    try:
+        args[0] = float(args[0])
+    except:
+        print("Invalid first argument.")
+        continue
+    
+    try:
+        args[2] = float(args[2])
+    except:
+        print("Invalid second argument.")
+        continue
+    
+    if args[1] in ops:
+        print(calc(args[0], args[2], args[1]))
+    else:
+        print("Invalid operation.")
+