answer = 'Python'
user_input = input('What language do we learn? ')
user_input == answer
while True:
    if True:
        print('Nice')
        break
    else:
        print('Try more')
        break

while True:
    users_input = input('Please, input positive number: ')
    if float(users_input) > 0:
        print('Your number is: %s')
        break
    else:
        print('is a wrong number.')
        continue

def main():
    answer = 'Python'
    while True:
        user_input = str(input('What language do we learn?n'))
        if user_input.lower() == answer.lower():
            print('Nicen')
            break
        else:
            print('Try moren')
            continue

if __name__ == '__main__':
    main()