在此处输入代码
sentence = input("Please enter a sentence:")
character = input("Please enter a single character:")
counter = 0
1。使用while循环
while len(character) > 1:
character = input("Please try again, enter a single character:")
我的问题是if语句对我不起作用。
while len(sentence)>计数器:如果句子[0]。包含(字符):计数器+ = 1打印(计数器)如果句子[1]。包含(字符):计数器+ = 1打印(计数器)如果句子[3]。包含(字符):计数器+ = 1打印(计数器)如果句子[4]。包含(字符):计数器+ = 1打印(计数器)如果句子[5]。包含(字符):计数器+ = 1打印(计数器)如果句子[6]。包含(字符):计数器+ = 1打印(计数器)如果句子[7]。包含(字符):计数器+ = 1打印(计数器)
使用Counter
:
Counter