def main():
print("\n1 - Area of Circle\n")
print("2 - Area of Triangle\n")
print("3 - Area of Square\n")
print("4 - Quit\n")
while True:
try:
choice = int(input("\nEnter your choice:\t"))
except Exception as e:
print("\nPlease enter valid integer\n")
continue
if choice == 1:
try:
radius = float(input("\nEnter radius of the Circle:\t"))
print("\nArea is : " + str(Area.circle(radius)))
except Exception as e:
print(str(e))
print("\nPlease enter valid radius value\n")
continue
if choice == 2:
try:
base = float(input("\nEnter base of the Triangle:\t"))
height = float(input("\nEnter height of the Triangle:\t"))
print("\nArea is : " + str(Area.triangle(height, base)))
except Exception as e:
print("\nPlease enter valid integers\n")
continue
if choice == 3:
try:
side = float(input("\nEnter a side of the Square:\t"))
print("\nArea is : " + str(Area.square(side)))
except Exception as e:
print("\nPlease enter valid integer\n")
continue
if choice == 4:
print("Bye\n")
break
if (choice < 1) or (choice > 4):
print("\n Invalid Choice \n")
