uaveiro-leci/1ano/1semestre/fp/aula03/ex02.md

Exercícios propostos no CodeCheck

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Ex 1.

height = 4.5
width = 3
volume1 = balloonVolume(width, height)
print("Original volume: ", volume1)
volume2 = balloonVolume(width + 1, height + 1)
change = volume2 - volume1
print("Change: ", change)
change = balloonVolume(width + 2, height + 2) - volume2
print("Change: ", change)

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Ex 2.

def balloonVolume(width, height):
 pi = 3.1415926
 a = height / 2
 c = width / 2
 volume = 4 * pi * a * c * c / 3
 return volume

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Ex 3.

def hideCharacters(string) :
 return "*" * len(string)

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Ex 4.

def isEven(n):
 if n % 2 == 0:
  return True
 else:
  return False

def main() :
 page = int(input("Enter page number: "))
 if isEven(page) :
  print(page)
 else :
  print("%60d" % page)

main()

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Ex 5.

def countSpaces(string):
 spaces = 0
 for char in string:
  if char == " ":
   spaces += 1
 return spaces

def main() :
 userInput = input("Enter a string: ")
 spaces = countSpaces(userInput)
 print(spaces)

main()