Added Elif Exercises solutions.

Elif_Ex_1.py

+"""Create a program that will perform the following operations for the entered two numbers:
+addition, subtraction, multiplication and division.
+Initially, it is necessary to allow the user to enter two numbers,
+then select the operation by selecting the character of that operation  (+, -, *, /). """
+
+n = int(input("Enter 1st number: "))
+m = int(input("Enter 2nd number: "))
+o = input("Enter operation: ")
+
+if o == '+':
+    print(n + m)
+elif o == '-':
+    print(n - m)
+elif o == '*':
+    print(n * m)
+elif o == '/':
+    print(n / m)
\ No newline at end of file

Elif_Ex_2.py

+"""Write a program that will allow the user to enter a desired number. The entered number should be divided by 3.
+Then if the remainder of the division with number 3 is:
+equal to zero print “blue”, equal to 1, print “red”, equal to 2, print “green”, equal to 3, print “purple”, otherwise print “yellow”."""
+
+n = int(input("Enter a number: "))
+
+if n % 3 == 0:
+    print("blue")
+elif n % 3 == 1:
+    print("red")
+elif n % 3 == 2:
+    print("green")
+elif n % 3 == 3:
+    print("purple")
+else:
+    print("yellow")
\ No newline at end of file