#try to avoid input function
a = input("Enter a character :",)
b = len(a)
if b == 1:
if chr(97) <= a <= chr(122):
print("Small Alphabet")
elif chr(65) <= a <= chr(90):
print("Capital Alphabet")
elif chr(49) <= a <= chr(57):
print("Number")
elif a == " ":
print("Invalid Input")
else:
print("Special Character")
else:
print("Please enter only one character")
Click the run button. Try to avoid input() function.