python统计字符串中指定字符出现的次数

"""
皮蛋编程(https://www.pidancode.com)
创建日期：2022/4/21
功能描述：Pyhton统计指定字符在字符串中出现的次数
"""
s = "Count, the number    of spaces."
print(s.count(" "))
x = "I like to program in Python"
print(x.count("i"))
z = "https://www.pidancode.com"
print(z.count('o'))

7
2
2