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# Untitled

a guest Feb 24th, 2020 68 Never
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1. import random
2. num_of_examples = 10
3. max_n = 99
4. min_n = 1
5.
6. def getPairFor(fun, first = None):
7.     changeFirst = True if not first else False
8.
9.     while True:
10.         first = random.randint(min_n, max_n) if changeFirst else first
11.         second = random.randint(min_n, max_n)
12.
13.         if 0 < fun(first, second) <= 99:
14.             return first, second, fun(first, second)
15.
16. def chooseRandomFunction():
17.     if random.randint(0,1) == 0:
18.         return lambda x, y: x + y, '+'
19.     else:
20.         return lambda x, y: x - y, '-'
21.
22.
23. def twoNumbers():
24.     correct = 0
25.
26.     for i in range(num_of_examples):
27.         fun, operation = chooseRandomFunction()
28.         first, second, result = getPairFor(fun)
29.
30.         while True:
31.             print(str(first) + operation + str(second) + '=', end='')
32.             in_number = input()
33.
34.             if in_number.isnumeric():
35.                 res = int(in_number)
36.
37.                 if res == result:
38.                     print('Bravooooooo!!!')
39.                     correct += 1
40.                 else:
41.                     print('Pogrešno! Točan rezultate je: ' + str(result))
42.
43.                 break
44.             else:
45.                 print('Moraš upisati broj!')
46.
47.     print('Točnih ' + str(correct) + ' od ' + str(num_of_examples))
48.
49.
50. def threeNumbers():
51.     correct = 0
52.
53.     for i in range(num_of_examples):
54.         fun1, operation1 = chooseRandomFunction()
55.         fun2, operation2 = chooseRandomFunction()
56.         first1, second1, result1 = getPairFor(fun1)
57.         _, second2, result = getPairFor(fun2, first=result1)
58.
59.         while True:
60.             string = str(first1) + operation1 + str(second1) + operation2 + str(second2) +  '='
61.             print(string, end='')
62.             in_number = input()
63.
64.             if in_number.isnumeric():
65.                 res = int(in_number)
66.
67.                 if res == result:
68.                     print('Bravooooooo!!!')
69.                     correct += 1
70.                 else:
71.                     print('Pogrešno! Točan rezultate je: ' + str(result))
72.
73.                 break
74.             else:
75.                 print('Moraš upisati broj!')
76.
77.     print('TOČNIH ' + str(correct) + ' OD ' + str(num_of_examples))
78.
79.
80. def main():
81.     while True:
82.         print('Izaberi vježbu:\n1. Dva broja\n2. Tri broja')
83.         option = input()
84.
85.         if option == '1':
86.             twoNumbers()
87.             break
88.         elif option == '2':
89.             threeNumbers()
90.             break
91.         else:
92.             print('Krivi broj!')
93.
94. if __name__ == '__main__':
95.     main()
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