Python Challenge 1

#1
import string
 
frm = "abcdefghijklmnopqrstuvwxyz"
to = "cdefghijklmnopqrstuvwxyzab"
 
data = """g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp.
        bmgle gr gl zw fylbgq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle.
        sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj."""
 
print string.translate(data, string.maketrans(frm,to))
 
 
#2
import string   
 
frm = "abcdefghijklmnopqrstuvwxyz"  
to = "cdefghijklmnopqrstuvwxyzab"  
 
data = """g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp.  
        bmgle gr gl zw fylbgq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle.  
        sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj.""" 
 
result = ''
 
for c in data:
    if c in frm:
        result += to[frm.index(c)]
    else:
        result += c
 
print result
 
 
#3
import   string 
s   =   " " 
for   c   in   t   : 
	if   c   in   string.letters   : 
		s   +=   chr((ord(c)   +   2   -   97)   %   26   +   97) 
	else   : 
		s   +=   c 
print   s 
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