1. '''
2. Write an interactive python program to perform the following.
3. 1.To input 2 integers and generate 1 random numbers.
4. 2.To pass an integer argument and return the no: of digits.
5. 3.To pass 2 integer argument and operator to perform operations of a calculator.
6. 4.Exit
7. '''
8. import random
9. def generate():
10.      lw=int(input('Enter lower range'))
11.      up=int(input('Enter Upper range'))
12.      s=0
13.      for i in range(10):
14.           print(random.randint(lw,up),end='\\t')
15. def countdigit(n):
16.      c=0
17.      while n!=0:
18.           c+=1
19.           n//=10
20.      print('the number of digits is',c)
21. def calculator(a,op,b):
22.      if op=='+':
23.           s=a+b
24.           print('Sum is',s)
25.      elif op=='-':
26.           d=a-b
27.           print('Difference is',d)
28.      elif op=='*':
29.           m=a*b
30.           print('Multiplication is',m)
31.      elif op=='/':
32.           s=a+b
33.           print('Quotient is',qt)
34. n=int(input('Enter a number'))
35. a=int(input('Enter a number to calculator'))
36. b=int(input('Enter a number to calculator'))
37. op=input('Enter operator')
38. ch=0
39. while ch!=4:
40.     print("\n","-"*20)
41.     print("1.To input 2 integers and generate 1 random numbers\n2.To pass an integer argument and return the no: of digits.\n3.To pass 2 integer argument and operator to perform operations of a calculator.\n4.Exit")
42.     ch=int(input("Enter choice:"))
43.     if ch==1:
44.         generate()
45.     elif ch==2:
46.         countdigit(n)
47.     elif ch==3:
48.         calculator(a,op,b)
49.     elif ch!=4:
50.         print("INVALID CHOICE")