-
Notifications
You must be signed in to change notification settings - Fork 0
/
calculator.py
116 lines (88 loc) · 1.78 KB
/
calculator.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
"""
100 days of Python course
DAY 10
"""
def add(n1, n2):
"""
Parameters
----------
n1 : TYPE
DESCRIPTION.
n2 : TYPE
DESCRIPTION.
Returns
-------
TYPE
DESCRIPTION.
"""
return n1 + n2
def subtract(n1, n2):
"""
Parameters
----------
n1 : TYPE
DESCRIPTION.
n2 : TYPE
DESCRIPTION.
Returns
-------
TYPE
DESCRIPTION.
"""
return n1 - n2
def multiply(n1, n2):
"""
Parameters
----------
n1 : TYPE
DESCRIPTION.
n2 : TYPE
DESCRIPTION.
Returns
-------
TYPE
DESCRIPTION.
"""
return n1 * n2
def divide(n1, n2):
"""
Parameters
----------
n1 : TYPE
DESCRIPTION.
n2 : TYPE
DESCRIPTION.
Returns
-------
TYPE
DESCRIPTION.
"""
return n1 / n2
operations = {
"+": add,
"-": subtract,
"*": multiply,
"/": divide
}
def calculator():
"""
Returns
-------
None.
"""
num1 = float(input("What's the first number?: "))
for symbol in operations:
print(symbol)
should_continue = True
while should_continue:
operation_symbol = input("Pick an operation: ")
num2 = float(input("What's the next number?: "))
calculation_function = operations[operation_symbol]
answer = calculation_function(num1, num2)
print(f"{num1} {operation_symbol} {num2} = {answer}")
if input(f"Type 'y' to continue calculating with {answer}, or type 'n' to start a new calculation: ") == 'y':
num1 = answer
else:
should_continue = False
calculator()
calculator()