17.1.1. Understanding if-elif-else construct
ch = input("ch: ")
# write the logic to find whether the input is a character or a digit
if (ch.isdigit()):
print("digit")
elif(ch.isalpha()):
print("alphabet")
else:
print("neither alphabet nor digit")
17.1.2. Write a program to check whether the given number is positive or not.
n = int(input("num: "))
if(n < 0):
print("negative")
elif(n>0):
print("positive")
else:
print("zero")
17.1.3. Program to check leap year
year = int(input("year: "))
if (year%4 == 0 and year%100 != 0):
print("leap year")
else:
print("not leap year")
