text = input("Enter text: ")

if text == "":
    print("Empty string")
else:
    print("Not empty")

Enter text:  54


Not empty

text = input("Enter text: ")
count = 0

for i in text:
    if i == " ":
        count += 1

print("Spaces:", count)

Enter text:  54


Spaces: 0

nums = [10, 2, 30, 4]
print("Min =", min(nums))

Min = 2