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- def Find (string,k):
- # @string: string
- # @k: letter
- g= 0
- for ch in string:
- if ch == k:
- return g
- g= g +1
- return -1
- def Find2 (string,k,start):
- # @string: string
- # @k: letter
- g= 0
- Start= len(string[start:])
- for ch in range (Start + 1):
- if string[ch] == k:
- return g
- g= g +1
- return -1
- def Find3 (string,k,start,end):
- # @string: string
- # @k: letter
- g= 0
- lunghezza= len(string[start:end])
- for ch in range (lunghezza):
- if string[ch] == k:
- return g
- g= g +1
- return -1
- def Rfind (string,k):
- # @string: string
- # @k: letter
- g= 0
- for ch in string:
- if ch == k:
- return len(string)-g
- g= g +1
- return -1
- def Rfind2 (string,k,start):
- # @string: string
- # @k: letter
- g= 0
- Start= len(string[start:])
- for ch in range (Start):
- if string[ch] == k:
- return Start - g
- g= g +1
- return -1
- def Rfind3 (string,k,start,end):
- # @string: string
- # @k: letter
- g= 0
- lunghezza= len(string[start:end])
- for ch in range (lunghezza):
- if string[ch] == k:
- return lunghezza - g
- g= g +1
- return -1
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