14 lines
265 B
Python
14 lines
265 B
Python
def isPositive(x):
|
|
if x>0:
|
|
return True
|
|
else:
|
|
return False
|
|
def areaCircle(r):
|
|
if isPositive(r):
|
|
print(3.14*(r**2))
|
|
else:
|
|
print("r value must be positive")
|
|
|
|
#main program
|
|
a= int(input("Enter the radius:"))
|
|
areaCircle(a) |