# Arup Guha
# 6/9/2025
# Program to illustrate the assignment statement.

# Test printing.
print("hello")

# Testing area of a square.
side = 10
area = side*side
print(area)

# Change side.
side = side + 1

# Notice area didn't change.
print("area =",area," side =", side)

# Now we update area.
area = side*side
print("now area is", area)