n = int(input('input_data: '))
a = bin(n)
b = a[::-1]
c = b.index('1')
output_data = b[0:c+1][::-1]
print(output_data)
i = int(input('Nhap 1 so nguyen: '))
if i < 0:
print('This is negative number')
elif i == 0:
print('This is zero')
else:
print('This is positive number')
file = str(input('input_data: '))
a = file[::-1]
b = a.index('.')
output = a[b+1:][::-1]
print(output)
a = [str(input(""))]
output = list(enumerate(a, start=1))
print(output)
i = int(input('Nhap vao 1 so nguyen trong khoang 1 - 12: '))
month = ['January 31', 'Febuary 28', 'March 31', 'April 30' , 'May 31', 'June 30', 'July 31', 'August 31', 'September 30', 'October 31', 'November 30', 'December 31']
if i > 12:
print('Khong co ket qua')
else:
name = month[i-1]
print(name)
a = "cca bbe"
ketqua = []
for i in a:
b = a.count(i, 0,len(a))
if b == 1:
ketqua.append(i)
print(ketqua)
