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iterator solution in Clear category for Caps Lock by Vasily__Chibilyaev
switch = lambda flag: not flag
def caps_lock_iterator(input_string):
caps_lock_enabled = False
for chr in input_string:
if chr == 'a':
caps_lock_enabled = switch(caps_lock_enabled)
res_chr = ''
else:
res_chr = chr.upper() if caps_lock_enabled else chr
yield res_chr
def caps_lock(text: str) -> str:
return ''.join(caps_lock_iterator(text))
if __name__ == '__main__':
print("Example:")
print(caps_lock("Why are you asking me that?"))
# These "asserts" are used for self-checking and not for an auto-testing
assert caps_lock("Why are you asking me that?") == "Why RE YOU sking me thT?"
assert caps_lock("Always wanted to visit Zambia.") == "AlwYS Wnted to visit ZMBI."
print("Coding complete? Click 'Check' to earn cool rewards!")
March 6, 2019
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