34 周逸第七单元

实例01

def division():
    '''功能：分苹果'''
    print("\n=====================分苹果======================\n")
    apple = int(input("请输入苹果的个数："))                         # 输入苹果的数量
    children = int(input("请输入来了几个小朋友："))
    result = apple//children                                         # 计算每人分几个苹果
    remain = apple-result*children                                   # 计算余下几个苹果
    if remain>0:
        print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个，剩下",remain,"个。")
    else:
        print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个。")
if __name__ == '__main__':
    division()                                                       # 调用分苹果的函数
结果

=====================分苹果======================

请输入苹果的个数：10
请输入来了几个小朋友：1
10 个苹果，平均分给 1 个小朋友，每人分 10 个。

实例02

def division():
'''功能：分苹果'''
print("\n=====================分苹果======================\n")
apple = int(input("请输入苹果的个数：")) # 输入苹果的数量
children = int(input("请输入来了几个小朋友："))
result = apple//children # 计算每人分几个苹果
remain = apple-result*children # 计算余下几个苹果
if remain>0:
print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个，剩下",remain,"个。")
else:
print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个。")
if __name__ == '__main__':
try: # 捕获异常
division() # 调用分苹果的函数
except ZeroDivisionError: # 处理异常
print("\n出错了 ~_~ ——苹果不能被0个小朋友分！")
except ValueError as e: # 处理ValueError异常
print("输入错误：",e) # 输出错误原因

结果

=====================分苹果======================

请输入苹果的个数：2.7
输入错误： invalid literal for int() with base 10: '2.7'

实例03

def division():
'''功能：分苹果'''
print("\n=====================分苹果======================\n")
apple = int(input("请输入苹果的个数：")) # 输入苹果的数量
children = int(input("请输入来了几个小朋友："))
if apple < children:
raise ValueError("苹果太少了，不够分...")
result = apple//children # 计算每人分几个苹果
remain = apple - result*children # 计算余下几个苹果
if remain>0:
print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个，剩下",remain,"个。")
else:
print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个。")
if __name__ == '__main__':
try: # 捕获异常
division() # 调用分苹果的函数
except ZeroDivisionError : # 处理ZeroDivisionError异常
print("\n出错了 ~_~ ——苹果不能被0个小朋友分！")
except ValueError as e: # ValueError
print("\n出错了~_~ ——",e)

结果

=====================分苹果======================

请输入苹果的个数：5
请输入来了几个小朋友：10

出错了~_~ —— 苹果太少了，不够分...

实例04

def division():
'''功能：分苹果'''
print("\n=====================分苹果======================\n")
apple = int(input("请输入苹果的个数：")) # 输入苹果的数量
children = int(input("请输入来了几个小朋友："))
assert apple>children,"苹果不够分" #应用断言调试
result = apple//children # 计算每人分几个苹果
remain = apple - result*children # 计算余下几个苹果
if remain>0:
print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个，剩下",remain,"个。")
else:
print(apple,"个苹果，平均分给",children,"个小朋友，每人分",result,"个。")
if __name__ == '__main__':
try:
division() # 调用分苹果的函数
except AssertionError as e:
print("\n输入有误：",e)

结果

=====================分苹果======================

请输入苹果的个数：5
请输入来了几个小朋友：10

输入有误： 苹果不够分