Lab05 : String Replace

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def setup(): print(my_replace("Thailand","land","thai")) def my_replace(t,s,r): i=0 text="" while i<len(t): if check(t,s,i): text+=r i+=len(s) elif i<len(t): text+=t[i] i+=1 return text def check(t,s,index): i=0 count=0 while i<len(s) and index+i<len(t): if t[index+i]==s[i]: count+=1 if count==len(s): return True i+=1 return False setup()

http://pastebin.com/k5kt2p7x

Lab05 : String related

def setup():
    assert my_count("Thailand","a")==2
    assert my_find("Thailand","i")==3
    print(my_strip("Thailand"))
    print(my_startswith("Thailand","Sun"))
    print(my_endswith("Thailand","and"))
def my_count(s,a):
    i=0
    count=0
    while i<len(s):
        if s[i]==a:
            count+=1
        i+=1
    return count
def my_find(s,a):
    i=0
    while i<len(s):
        if s[i]==a:
            return i
        i+=1
def my_strip(s):
    i=0
    rs=""
    while i<len(s):
        if s[i]!=" ":
            rs+=s[i]
        i+=1
    return rs
def my_startswith(s,a):
    i=0
    count=0
    while i<len(a):
        if s[i]==a[i]:
            count+=1
        i+=1
    if count==len(a):
        return True
    else:
        return False
def my_endswith(s,a):
    i=len(s)-1
    j=len(a)-1
    count=0
    while j>=0:
        if s[i]==a[j]:
            count+=1
        i-=1
        j-=1
    if count==len(a):
        return True
    else:
        return False
setup()