题库
651 道题目
171
<pre><code>s = "hello world world"
new_...
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170
<pre><code>print(" ".isspace())</code>...
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169
<pre><code>s = "HelloWorld"
print(s.isa...
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168
<pre><code>print("123".isdigit())</code>...
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167
<pre><code>s = "hello world"
print(s.st...
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166
<pre><code>s = "hello hello hello"
print...
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165
<pre><code>s = "hello"
print(s.index("z"...
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164
<pre><code>s = "hello world hello"
prin...
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163
<pre><code>s = "hello"
print(s.find("z"...
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162
<pre><code>s = "hello world"
print(s.fi...
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161
<pre><code>s = "abc"
print(s.rjust(5, "...
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160
<pre><code>num = "42"
print(num.zfill(5...
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159
<pre><code>s = "Hi"
print("|" + s.cente...
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158
<pre><code>s = " ABC "
print("|" + s....
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157
<pre><code>s = "hello world python"
pri...
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