字符串中查找字母有几个

p = 0
s = \'How can i get there?\'
for i in s:
    
    if i == \'P\'or i == \'p\':
        p = p + 1 
    else:
        continue
    
if p != 0:
    print(\'有\',p,\'个\')
else:
    print(\'无\')