# 1
def any_lowercase1(s):
"""Actually returns True whether _first_ letter is lowercase otherwise False
Incorrect result: argument has three lowercase 'z' - expected True
>>> any_lowercase1('Bzzz')
False
"""
for c in s:
if c.islower():
return True
else:
return False
# 2
def any_lowercase2(s):
"""Actually _always_ retuns _string_ "True"
Incorrect result: argument has no lowercase letters - expected False
>>> any_lowercase2('UEFA')
'True'
"""
for c in s:
if 'c'.islower():
return 'True'
else:
return 'False'
# 3
def any_lowercase3(s):
"""Actually returns True whether _last_ letter is lowercase otherwise False
Incorrect result: argument has four lowercase 'd' - expected True
>>> any_lowercase3('ddddD')
False
"""
for c in s:
flag = c.islower()
return flag
# 4
def any_lowercase4(s):
"""Actually returns True whether _any_ letter is lowercase otherwise False
No incorrect results
Argument has lowercase 'x' - expected True
>>> any_lowercase4('Ux')
True
Argument nas no lowercase letters - expected False
>>> any_lowercase4('BAR')
False
"""
flag = False
for c in s:
flag = flag or c.islower()
return flag
# 5
def any_lowercase5(s):
"""Actually returns True whether _all_ letters is lowercase otherwise False
Incorrect result: all letters in argument except 'E' are lowercase - expected True
>>> any_lowercase5('abcdEfg')
False
"""
for c in s:
if not c.islower():
return False
return True
if __name__ == '__main__':
import doctest
doctest.testmod(verbose=True)
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