python-统计句子中有多少数字方法
def print_numcount_03():result = 0
content = raw_input('eter number and string:\n')
for i in content:
if i in "1234567890":
result += 1
print result
print_numcount_03()
def print_numcount_02():
result = 0
index = 0
content = raw_input('eter number and string:\n')
while index <= len(content) -1:
if content in "1234567890":
result += 1
index += 1
print result
#print_numcount_02()
def print_numcount_01():
result = 0
content = raw_input('eter number and string:\n')
for i in content:
if i.isdigit(): # isdigit() 方法检测字符串是否只由数字组成。
result += 1
print result
#print_numcount_01()
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