1#A program to find the sum of the cubes of the first n natural numbers2defmain():3n = int(input("Please enter the value of n:"))4s =05foriinrange(1, n + 1):6s += i ** 37#s = (n * (n + 1) // 2) ** 28print("The sum of cubes of 1 through", n,"is", s)...
#!/usr/bin/env python # zerodivision3.py def input_numbers(): a = float(input("Enter first number:")) b = float(input("Enter second number:")) return a, b x, y = input_numbers() try: print(f"{x} / {y} is {x/y}") except ZeroDivisionError: print("Cannot divide by zero"...
''') while True: # Main program loop. while True: # Keep asking until the user enters valid input. print('Enter the Nth Fibonacci number you wish to') print('calculate (such as 5, 50, 1000, 9999), or QUIT to quit:') response = input('> ').upper() if response == 'QUIT': ...
# A program to compute the nth Fibonacci number where n is a value input by the user def fibonacci(n): if n <= 0: raise ValueError("n must be positive") elif n < 2: return n fib_n_minus_one = 1 fib_n_minus_two = 0 fib_n = 0 for _ in range(2, n + 1): fib_n =...
('The #2 Fibonacci number is 1.')continue# Display warningifthe user entered a large number:ifnth>=10000:print('WARNING: This will take a while to display on the')print('screen. If you want to quit this program before it is')print('done, press Ctrl-C.')input('Press Enter to ...
Python |使用字典实现动态编程 原文:https://www . geesforgeks . org/python-实现-动态-编程-使用-字典/ 动态规划是一种可以作为对普通递归的优化的方法。无论我们在哪里看到对相同输入重复调用的递归解决方案,我们都可以使用动态编程对其进行优化。这个想法是简单地存
Python 函数通过调用 return 语句来返回结果。使用 returnvalue 可以返回单个值，用 ret ...
''') while True: # Main program loop. while True: # Keep asking until the user enters valid input. print('Enter the Nth Fibonacci number you wish to') print('calculate (such as 5, 50, 1000, 9999), or QUIT to quit:') response = input('> ').upper() if response == 'QUIT':...
函数就会崩溃，这是因为Python内部用doubles支持数字。下面是为使用Decimals而重写的elemFib函数：...
A module-level scope refers to the global objects of the current module accessible in the program. An outermost scope refers to all the built-in names callable in the program. The objects in this scope are searched last to find the name referenced. Note: Local scope objects can be synced ...