calculator in python

1Select operation.
21.Add
32.Subtract
43.Multiply
54.Divide
6Enter choice(1/2/3/4): 3
7Enter first number: 15
8Enter second number: 14
915.0 * 14.0 = 210.0
10

1# try to run this in repl.it to get the better experience
2
3from replit import clear
4# from art import logo
5
6def add(n1, n2):
7  return n1 + n2
8
9def subtract(n1, n2):
10  return n1 - n2
11
12def multiply(n1, n2):
13  return n1 * n2
14
15def divide(n1, n2):
16  return n1 / n2
17
18operations = {
19  "+": add,
20  "-": subtract,
21  "*": multiply,
22  "/": divide
23}
24
25def calculator():
26  print(logo)
27
28  num1 = float(input("What's the first number?: "))
29  for symbol in operations:
30    print(symbol)
31  should_continue = True
32 
33  while should_continue:
34    operation_symbol = input("Pick an operation: ")
35    num2 = float(input("What's the next number?: "))
36    calculation_function = operations[operation_symbol]
37    answer = calculation_function(num1, num2)
38    print(f"{num1} {operation_symbol} {num2} = {answer}")
39
40    if input(f"Type 'y' to continue calculating with {answer}, or type 'n' to start a new calculation: ") == 'y':
41      num1 = answer
42    else:
43      should_continue = False
44      clear()
45      calculator()
46
47calculator()
48

1def mutiply (x):
2    return 5*x
3o = mutiply(10)
4print(o)

1num1 = input("Enter a Number : ")
2num2 = input("Enter a Number : ")
3result = (num1 * num2)
4print(result)
5# And then print out the result

1
2# Define variables for number inputs..
3num1 = int(input("Enter first number: "))
4num2 = int(input("Enter second number: "))
5
6# Input for operators
7op = input("Enter operator: ")
8
9# Functions for operations
10
11
12def add(num1, num2):
13    print('Result: ', num1 + num2)
14
15
16def subtract(num1, num2):
17    print('Result: ', num1 - num2)
18
19
20def multiply(num1, num2):
21    print('Result: ', num1 * num2)
22
23
24def division(num1, num2):
25    print('Result: ', num1 / num2)
26
27
28# Using the functions
29if op == '+':
30    add(num1=num1, num2=num2)
31elif op == '-':
32    subtract(num1=num1, num2=num2)
33elif op == '*':
34    multiply(num1=num1, num2=num2)
35elif op == '/':
36    division(num1=num1, num2=num2)
37else:
38    print('Invalid operator')
39

1#Calculator in python
2#No modules required
3qus = input('')
4if(qus=='ADDITON'):
5  no1 = int(input())
6  no2 = int(input())
7  print(no1+no2)
8  
9if(qus=='MULTIPLICATION'):
10  no1 = int(input())
11  no2 = int(input())
12  print(no1*no2)
13
14if(qus=='DIVISION'):
15  no1 = int(input())
16  no2 = int(input())
17  print(no1/no2)
18  
19if(qus=='SUBTRACTION'):
20  no1 = int(input())
21  no2 = int(input())
22  print(no1-no2)

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