20.1.1. Usage of break statement
n = int(input("n: "))
m = int(input("m: "))
for i in range(n, m):
if(i%5 == 0):
print(i)
break
20.1.2. Write a program to find a given letter is a vowel or not
vowels = "aeiouAEIOU"
#Write your code here
while True:
c =input("vowel, or -1 to quit: ")
if c.isalpha() or c == "-1":
if c == "-1":
break
if c in vowels:
print("vowel")
else:
print("not vowel")
else:
print("wrong input")
continue
