handing multiple if else in python code example

Example 1: python if elif

num = 20
if num > 30:
  print("big")
elif num == 30:
  print("same")
else:
  print("small")
#output: small

Example 2: if and elif

'''In this program, we input a number
check if the number is positive or
negative or zero and display
an appropriate message
This time we use nested if statement'''

num = float(input("Enter a number: "))
if num >= 0:
    if num == 0:
        print("Zero")
    else:
        print("Positive number")
else:
    print("Negative number")